Take the tour ×  I was trying to include bibliography in my
presentation. But when I try to include bibliography I get this
error:  ! Undefined control sequence. \beamer@sort #1#2->\long
\def \beamer@todo
{#1}\def \beamer@ospec {}\beamer@...  I get this error when I
run pdflatex second time, the first run completes with no errors
and references appear in the bibliography.  My bibliography
looks like this:      \bibitem[Bandaru and Deb, 2010]{deb10}
Bandaru, S. and Deb, K. (2010).       \newblock Automating
discovery of innovative design principles through
\newblock Technical Report 2010001, Kanpur Genetic Algorithms
Laboratory,       Indian Institute of Technology, Kanpur.
\bibitem[Anderson, 1996]{anderson96}       Anderson, J. (1996).
\newblock {\em {The architecture of cognition}}.       \newblock
Lawrence Erlbaum.   I have unsuccessfully tried using bibtex to
generate the bibliography but I keep getting equally strange
errors, like \newbloc