[n] H. R. Froelich and E. Brannen, “Four-Sector Racetrack Microtrons”, in Proc. PAC'67, Washington D.C., USA, Mar. 1967, pp. 756-760.
%\cite{Froelich:PAC67} \bibitem{Froelich:PAC67} H. R. Froelich and E. Brannen, \textquotedblleft{Four-Sector Racetrack Microtrons}\textquotedblright, in \emph{Proc. PAC’67}, Washington D.C., USA, Mar. 1967, pp. 756--760.
@inproceedings{froelich:pac67, author = {H. R. Froelich and E. Brannen}, title = {{Four-Sector Racetrack Microtrons}}, booktitle = {Proc. PAC'67}, pages = {756--760}, paper = {}, venue = {Washington D.C., USA}, series = {Particle Accelerator Conference}, number = {2}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {6}, year = {1967}, language = {english} }