[n] Y. Cheng and K. Liu, “Low Cost Concepts to Reduce the Voltage Ripple of the DC Power Supply”, in Proc. PAC'93, Washington D.C., USA, Mar. 1993, pp. 1262-1265.
%\cite{Cheng:PAC93} \bibitem{Cheng:PAC93} Y. Cheng and K. Liu, \textquotedblleft{Low Cost Concepts to Reduce the Voltage Ripple of the DC Power Supply}\textquotedblright, in \emph{Proc. PAC’93}, Washington D.C., USA, Mar. 1993, pp. 1262--1265.
@inproceedings{cheng:pac93, author = {Y. Cheng and K. Liu}, title = {{Low Cost Concepts to Reduce the Voltage Ripple of the DC Power Supply}}, booktitle = {Proc. PAC'93}, pages = {1262--1265}, paper = {}, venue = {Washington D.C., USA, Mar. 1993}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }