\input exam_mac
\def\ShortSection#1#2{%
	\newpage%
	\ifx\doneA\relax\ifx\doneB\relax%
		\centerline{\bf Section C{\bf ~~ #2}}\let\doneB=\relax\else%
		\centerline{\bf Section B{\bf ~~ #2}}\let\doneB=\relax\fi\else%
			\centerline{\bf Section A{\bf ~~ #2}}\let\doneA=\relax\fi
	\samepage\vbox to 10pt{}\samepage
}

\startpaper{\begin{tabular}{l}DPHH 2S97\end{tabular}}

\PartBP{BT: CLASSICAL MECHANICS, COVARIANT ELECTROMAGNETISM}
{AND ADVANCED QUANTUM MECHANICS}
{Tuesday, 12 June 2007}{9.30 am}{12.30 am}

\input s7
\input s8
\input s18
\oxfinishpaper