[n] T. L. Collins et al., “Progress Report on the POPAE Design Study”, in Proc. PAC'75, Washington D.C., USA, Mar. 1975, pp. 1411-1416.
%\cite{Collins:PAC75} \bibitem{Collins:PAC75} T. L. Collins \emph{et al.}, \textquotedblleft{Progress Report on the POPAE Design Study}\textquotedblright, in \emph{Proc. PAC’75}, Washington D.C., USA, Mar. 1975, pp. 1411--1416.
@inproceedings{collins:pac75, author = {T. L. Collins and others}, title = {{Progress Report on the POPAE Design Study}}, booktitle = {Proc. PAC'75}, pages = {1411--1416}, paper = {}, venue = {Washington D.C., USA, Mar. 1975}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }