\relax \citation{BC95} \@writefile{toc}{\contentsline {section}{\numberline {1}Derivation for isentropic case}{1}} \newlabel{eigenvalue_eqn}{{15}{1}} \newlabel{eigenvalue_bdry}{{16}{1}} \bibcite{BC95}{{1}{1995}{{Bogdan \& Cally}}{{}}} \@writefile{lof}{\contentsline {figure}{\numberline {1}{\ignorespaces }}{2}} \newlabel{mat2ab}{{1}{2}} \@writefile{toc}{\contentsline {section}{\numberline {2}Reduction to the isothermal case}{2}} \newlabel{eqn1}{{19}{2}}