Sorgenti degli esempi di Beamer: dove sono?

Avete idea di dove trovare i sorgenti dei file beamerexample1.pdf e beamerexample5.pdf presenti sul sito ufficiale della classe Beamer? Lì c’è scritto che dovrebbero essere presenti nella documentazione presente nel pacchetto, ma su Debian sembra che non sia così:
`
$ dpkg -L latex-beamer|grep -i example
/usr/share/doc/latex-beamer/emulation/beamerexample-foils.tex
/usr/share/doc/latex-beamer/emulation/beamerexample-prosper.tex
/usr/share/doc/latex-beamer/emulation/beamerexample-seminar.tex.gz
/usr/share/doc/latex-beamer/emulation/beamerexample-texpower.tex.gz
/usr/share/doc/latex-beamer/examples
/usr/share/doc/latex-beamer/examples/a-conference-talk
/usr/share/doc/latex-beamer/examples/a-conference-talk/beamerexample-conference-talk.tex.gz
/usr/share/doc/latex-beamer/examples/a-conference-talk/beamerexample-conference-talk.pdf.gz
/usr/share/doc/latex-beamer/examples/a-lecture
/usr/share/doc/latex-beamer/examples/a-lecture/beamerexample-lecture-pic4.jpg
/usr/share/doc/latex-beamer/examples/a-lecture/beamerexample-lecture-print-version.tex
/usr/share/doc/latex-beamer/examples/a-lecture/._beamerexample-lecture-pic3.jpg
/usr/share/doc/latex-beamer/examples/a-lecture/beamerexample-lecture-pic6.jpg
/usr/share/doc/latex-beamer/examples/a-lecture/beamerexample-lecture-pic3.jpg
/usr/share/doc/latex-beamer/examples/a-lecture/beamerexample-lecture-style.tex.gz
/usr/share/doc/latex-beamer/examples/a-lecture/beamerexample-lecture-logo.pdf.gz
/usr/share/doc/latex-beamer/examples/a-lecture/._beamerexample-lecture-pic6.jpg
/usr/share/doc/latex-beamer/examples/a-lecture/._beamerexample-lecture-pic5.jpg
/usr/share/doc/latex-beamer/examples/a-lecture/._beamerexample-lecture-pic4.jpg
/usr/share/doc/latex-beamer/examples/a-lecture/beamerexample-lecture-pic5.jpg
/usr/share/doc/latex-beamer/examples/a-lecture/beamerexample-lecture-beamer-version.tex
/usr/share/doc/latex-beamer/examples/a-lecture/._beamerexample-lecture-pic2.jpg
/usr/share/doc/latex-beamer/examples/a-lecture/beamerexample-lecture-pic1.jpg
/usr/share/doc/latex-beamer/examples/a-lecture/._beamerexample-lecture-pic1.jpg
/usr/share/doc/latex-beamer/examples/a-lecture/beamerexample-lecture-pic2.jpg
/usr/share/doc/latex-beamer/examples/a-lecture/beamerexample-lecture-body.tex.gz
/usr/share/doc/latex-beamer/examples/a-lecture/beamerexample-lecture-print-version.pdf.gz
/usr/share/doc/latex-beamer/examples/a-lecture/beamerexample-lecture-beamer-version.pdf.gz
/usr/share/doc/latex-beamer/examples/lyx-based-presentation
/usr/share/doc/latex-beamer/examples/lyx-based-presentation/beamerexample-lyx.lyx.gz
`

Buona serata
Carlo