[n] K. Mittag, “Superconducting Accelerator Structures for Medium Energy Protons”, in Proc. PAC'77, Chicago, IL, USA, Mar. 1977, pp. 1156-1159.
%\cite{Mittag:PAC77} \bibitem{Mittag:PAC77} K. Mittag, \textquotedblleft{Superconducting Accelerator Structures for Medium Energy Protons}\textquotedblright, in \emph{Proc. PAC’77}, Chicago, IL, USA, Mar. 1977, pp. 1156--1159.
@inproceedings{mittag:pac77, author = {K. Mittag}, title = {{Superconducting Accelerator Structures for Medium Energy Protons}}, booktitle = {Proc. PAC'77}, pages = {1156--1159}, paper = {}, venue = {Chicago, IL, USA, Mar. 1977}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }