@Manual{oetiker99:_not_so_short_introd_latex,
  title = 	 {The Not So Short
Introduction to \LaTeX2e},
  author =	 {Oetiker, Tobias and Partl, Hubert and Hyna, Irene and Schlegl, Elisabeth},
  edition =	 {3.3},
  year =	 1999,
  note =	 {available at \href{http://www.loria.fr/services/tex/general/lshort2e.pdf}{\texttt{http://www.loria.fr/services/tex/general/lshort2e.pdf}}}
}