diff --git a/doc/bibtex/gost/examples/cp1251/gost2008-natbib-s.tex b/doc/bibtex/gost/examples/cp1251/gost2008-natbib-s.tex
deleted file mode 100644
index 7b1613b..0000000
--- a/doc/bibtex/gost/examples/cp1251/gost2008-natbib-s.tex
+++ /dev/null
@@ -1,122 +0,0 @@
-% !Mode:: "TeX:UTF-8"
-\newcommand*{\mybibstyle}{gost2008ns}
-
-\RequirePackage[cp1251]{inputenc}
-
-\newcommand*{\mytitle}{The GOST bundle: \mybibstyle.bst}
-\newcommand{\mydescription}{
-   Example of a bibliography using the style \texttt{\mybibstyle.bst} 
-   and \texttt{natbib} package.
-   No customization is applied.
-
-   Пример оформления списка литературы с помощью стиля 
-   \texttt{\mybibstyle.bst} и пакета \texttt{natbib}.
-   Команды форматирования не изменены.
-}
-
-\documentclass[a4paper]{article}
-\usepackage[cp1251]{inputenc}
-\usepackage[T2A]{fontenc}
-\usepackage[ukrainian,russian]{babel}
-\usepackage{natbib}
-\usepackage{geometry,ifpdf}
-\ifpdf
-  \usepackage[pdftex,hyperindex,unicode]{hyperref}
-  \usepackage{cmap}
-\else
-  \usepackage[hypertex]{hyperref}
-\fi
-\usepackage{color}
-\definecolor{darkblue}{rgb}{0,0,.6}
-\hypersetup{
-  pdftitle           = {\mytitle},
-  pdfauthor          = {Igor A. Kotelnikov},
-  pdfsubject         = {GOST, BibTeX},
-  pdfstartview       = {FitH},
-%  pdfborder          = {0 0 0},
-%  bookmarksopen      = true,
-  bookmarksnumbered  = true,
-%  bookmarksopenlevel = 2,
-  colorlinks = true,     linkcolor  = darkblue,
-  citecolor  = darkblue, filecolor  = darkblue,
-  menucolor  = darkblue, urlcolor   = darkblue
-}
-
-\makeatletter
-\renewcommand{\@biblabel}[1]{#1.}
-\makeatother		
-		
-\begin{document}
-
-\title{\mytitle}
-\maketitle
-\begin{abstract}
-  \mydescription
-\end{abstract}
-
-%\verb|\cite{*}| \cite{*}
-%
-%\verb|\citep{*}| \citep{*}
-%
-%\verb|\citet{*}| \citet{*}
-
-\newcommand{\allrefs}{Vasylenko92,
-Afanasyev92,
-Makilov91,
-Ponomarenko86,
-Belousova81,
-BibOp91,
-Poems82,
-HistLit82,
-Landau:eldin,
-BRLS94,
-Grosse80,
-GOST7184,
-ObchTech93,
-Bibdelo86,
-Ponomarenko79,
-Zeyts70,
-Ponoomarenko76,
-Malikov92,
-Ponomarenko86a,
-dixit.pindyck:options,
-RosGaz-article,
-Dolmatovskiy88,
-Ponomarenko88,
-Melikov95, Selikov95, Selikov+95,
-Gojchuk98,
-Polyakov98a,
-TranskSpivrob99:Purich,
-Luus82,
-KIA95-default,
-KIA85-autoref,
-Ponomarenko76,
-Report81-rep,
-Report81b-rep-notype,
-Report81-techrep,
-CatalogMamals81,
-Instr86,
-wiki:latex,
-wiki:latex-2,
-phys:moodle,
-EXFOR,
-IsaacNewton,
-IsaacNewton-sl:sn,
-PhysRevLett.101.085006}
-
-
-\verb|\citep|\par \citep{\allrefs}
-
-\verb|\citep*|\par \citep{\allrefs}
-
-\verb|\citeauthor|\par \citeauthor{\allrefs}
-
-\verb|\citeauthor*|\par \citeauthor*{\allrefs}
-
-
-\bibliographystyle{\mybibstyle}  
-\bibliography{bib/examples}     
-
-\end{document} 
-
-
diff --git a/doc/bibtex/gost/examples/cp1251/gost2008-natbib.tex b/doc/bibtex/gost/examples/cp1251/gost2008-natbib.tex
deleted file mode 100644
index db27fa6..0000000
--- a/doc/bibtex/gost/examples/cp1251/gost2008-natbib.tex
+++ /dev/null
@@ -1,118 +0,0 @@
-% !Mode:: "TeX:UTF-8"
-\newcommand*{\mybibstyle}{gost2008n}
-
-\RequirePackage[cp1251]{inputenc}
-
-\newcommand*{\mytitle}{The GOST bundle: \mybibstyle.bst}
-\newcommand{\mydescription}{
-   Example of a bibliography using the style \texttt{\mybibstyle.bst} 
-   and \texttt{natbib} package.
-   No customization is applied.
-
-   Пример оформления списка литературы с помощью стиля 
-   \texttt{\mybibstyle.bst} и пакета \texttt{natbib}.
-   Команды форматирования не изменены.
-}
-
-\documentclass[a4paper]{article}
-\usepackage[cp1251]{inputenc}
-\usepackage[T2A]{fontenc}
-\usepackage[ukrainian,russian]{babel}
-\usepackage{natbib}
-\usepackage{geometry,ifpdf}
-\ifpdf
-  \usepackage[pdftex,hyperindex,unicode]{hyperref}
-  \usepackage{cmap}
-\else
-  \usepackage[hypertex]{hyperref}
-\fi
-\usepackage{color}
-\definecolor{darkblue}{rgb}{0,0,.6}
-\hypersetup{
-  pdftitle           = {\mytitle},
-  pdfauthor          = {Igor A. Kotelnikov},
-  pdfsubject         = {GOST, BibTeX},
-  pdfstartview       = {FitH},
-%  pdfborder          = {0 0 0},
-%  bookmarksopen      = true,
-  bookmarksnumbered  = true,
-%  bookmarksopenlevel = 2,
-  colorlinks = true,     linkcolor  = darkblue,
-  citecolor  = darkblue, filecolor  = darkblue,
-  menucolor  = darkblue, urlcolor   = darkblue
-}
-
-\makeatletter
-\renewcommand{\@biblabel}[1]{#1.}
-\makeatother		
-		
-\begin{document}
-
-\title{\mytitle}
-\maketitle
-\begin{abstract}
-  \mydescription
-\end{abstract}
-
-\newcommand{\allrefs}{Vasylenko92,
-Afanasyev92,
-Makilov91,
-Ponomarenko86,
-Belousova81,
-BibOp91,
-Poems82,
-HistLit82,
-Landau:eldin,
-BRLS94,
-Grosse80,
-GOST7184,
-ObchTech93,
-Bibdelo86,
-Ponomarenko79,
-Zeyts70,
-Ponoomarenko76,
-Malikov92,
-Ponomarenko86a,
-dixit.pindyck:options,
-RosGaz-article,
-Dolmatovskiy88,
-Ponomarenko88,
-Melikov95, Selikov95, Selikov+95,
-Gojchuk98,
-Polyakov98a,
-TranskSpivrob99:Purich,
-Luus82,
-KIA95-default,
-KIA85-autoref,
-Ponomarenko76,
-Report81-rep,
-Report81b-rep-notype,
-Report81-techrep,
-CatalogMamals81,
-Instr86,
-wiki:latex,
-wiki:latex-2,
-phys:moodle,
-EXFOR,
-IsaacNewton,
-IsaacNewton-sl:sn,
-PhysRevLett.101.085006}
-
-
-\verb|\cite|\par \cite{\allrefs}
-
-\verb|\citep|\par \citep{\allrefs}
-
-\verb|\citep*|\par \citep{\allrefs}
-
-\verb|\citeauthor|\par \citeauthor{\allrefs}
-
-\verb|\citeauthor*|\par \citeauthor*{\allrefs}
-
-
-\bibliographystyle{\mybibstyle}  
-\bibliography{bib/examples}     
-
-\end{document} 
-
-
diff --git a/doc/bibtex/gost/examples/cp1251/gost2008-sorted.tex b/doc/bibtex/gost/examples/cp1251/gost2008-sorted.tex
deleted file mode 100644
index 6f043e5..0000000
--- a/doc/bibtex/gost/examples/cp1251/gost2008-sorted.tex
+++ /dev/null
@@ -1,106 +0,0 @@
-% !Mode:: "TeX:UTF-8"
-\newcommand*{\mybibstyle}{gost2008s}
-
-\RequirePackage[cp1251]{inputenc}
-
-\newcommand*{\mytitle}{The GOST bundle: \mybibstyle.bst}
-\newcommand{\mydescription}{
-   Example of a bibliography using the style \texttt{\mybibstyle.bst}. 
-   No customization is applied.
-
-   Пример оформления списка литературы с помощью стиля 
-   \texttt{\mybibstyle.bst}.
-   Команды форматирования не изменены.
-}
-
-\documentclass[a4paper]{article}
-\usepackage[cp1251]{inputenc}
-\usepackage[T2A]{fontenc}
-\usepackage[ukrainian,russian]{babel}
-%\usepackage{natbib}
-\usepackage{geometry,ifpdf}
-\ifpdf
-  \usepackage[pdftex,hyperindex,unicode]{hyperref}
-  \usepackage{cmap}
-\else
-  \usepackage[hypertex]{hyperref}
-\fi
-\usepackage{color}
-\definecolor{darkblue}{rgb}{0,0,.6}
-\hypersetup{
-  pdftitle           = {\mytitle},
-  pdfauthor          = {Igor A. Kotelnikov},
-  pdfsubject         = {GOST, BibTeX},
-  pdfstartview       = {FitH},
-%  pdfborder          = {0 0 0},
-%  bookmarksopen      = true,
-  bookmarksnumbered  = true,
-%  bookmarksopenlevel = 2,
-  colorlinks = true,     linkcolor  = darkblue,
-  citecolor  = darkblue, filecolor  = darkblue,
-  menucolor  = darkblue, urlcolor   = darkblue
-}
-
-\makeatletter
-\renewcommand{\@biblabel}[1]{#1.}
-\makeatother		
-		
-\begin{document}
-
-\title{\mytitle}
-\maketitle
-\begin{abstract}
-  \mydescription
-\end{abstract}
-
-\newcommand{\allrefs}{Vasylenko92,
-Afanasyev92,
-Makilov91,
-Ponomarenko86,
-Belousova81,
-BibOp91,
-Poems82,
-HistLit82,
-Landau:eldin,
-BRLS94,
-Grosse80,
-GOST7184,
-ObchTech93,
-Bibdelo86,
-Ponomarenko79,
-Zeyts70,
-Ponoomarenko76,
-Malikov92,
-Ponomarenko86a,
-dixit.pindyck:options,
-RosGaz-article,
-Dolmatovskiy88,
-Ponomarenko88,
-Melikov95,
-Gojchuk98,
-Polyakov98a,
-TranskSpivrob99:Purich,
-Luus82,
-KIA95-default,
-KIA85-autoref,
-Ponomarenko76,
-Report81-rep,
-Report81b-rep-notype,
-Report81-techrep,
-CatalogMamals81,
-Instr86,
-wiki:latex,
-wiki:latex-2,
-phys:moodle,
-EXFOR,
-IsaacNewton,
-IsaacNewton-sl:sn,
-PhysRevLett.101.085006}
-
-\nocite{*}
-\cite{\allrefs}
-
-\bibliographystyle{\mybibstyle}  
-\bibliography{bib/examples}     
-
-\end{document}