%%
%% The LaTeX Companion, 3ed
%%
%% Example 16-7-11 on page II-549 in "Unambiguous citations".
%%
%% Copyright (C) 2022 Frank Mittelbach
%%
%% It may be distributed and/or modified under the conditions
%% of the LaTeX Project Public License, either version 1.3c
%% of this license or (at your option) any later version.
%%
%% See https://www.latex-project.org/lppl.txt for details.
%%

\documentclass{tlc3exa}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{153.0pt}

%  Use biber program
\setlength\textheight{10\baselineskip}
\setlength\parindent{0pt}

%StartShownPreambleCommands

\usepackage[style=authoryear,uniquename=false]{biblatex}
\addbibresource{tlc-ex.bib}
%StopShownPreambleCommands

\begin{document}
\cite{smith,kirk1,kirk2}\\ \cite{pyne1,pyne2}\\
\cite{doe1,doe2}\\         \cite{webb1,webb2}
\end{document}