[n] K. O. Thielheim, “Pulsars as Cosmic Ray Accelerators - The Critical Frequency”, in Proc. EPAC'88, Rome, Italy, Jun. 1988, pp. 532-535.
%\cite{Thielheim:EPAC88} \bibitem{Thielheim:EPAC88} K. O. Thielheim, \textquotedblleft{Pulsars as Cosmic Ray Accelerators - The Critical Frequency}\textquotedblright, in \emph{Proc. EPAC’88}, Rome, Italy, Jun. 1988, pp. 532--535.
@inproceedings{thielheim:epac88, author = {K. O. Thielheim}, title = {{Pulsars as Cosmic Ray Accelerators - The Critical Frequency}}, booktitle = {Proc. EPAC'88}, pages = {532--535}, paper = {}, venue = {Rome, Italy, Jun. 1988}, series = {European Particle Accelerator Conference}, number = {1}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }