[n] F. Ruggiero, “Achromatic Dissipative Focusing”, in Proc. PAC'87, Washington D.C., USA, Mar. 1987, pp. 160-163.
%\cite{Ruggiero:PAC87} \bibitem{Ruggiero:PAC87} F. Ruggiero, \textquotedblleft{Achromatic Dissipative Focusing}\textquotedblright, in \emph{Proc. PAC’87}, Washington D.C., USA, Mar. 1987, pp. 160--163.
@inproceedings{ruggiero:pac87, author = {F. Ruggiero}, title = {{Achromatic Dissipative Focusing}}, booktitle = {Proc. PAC'87}, pages = {160--163}, paper = {}, venue = {Washington D.C., USA, Mar. 1987}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }