[n] D. C. Nguyen and H. Freund, “Stair-Step Tapered Wiggler for High-Efficiency FEL”, in Proc. FEL'06, Berlin, Germany, Aug.-Sep. 2006, paper THBAU04, pp. 545-547.
%\cite{Nguyen:FEL06-THBAU04} \bibitem{Nguyen:FEL06-THBAU04} D. C. Nguyen and H. Freund, \textquotedblleft{Stair-Step Tapered Wiggler for High-Efficiency FEL}\textquotedblright, in \emph{Proc. FEL’06}, Berlin, Germany, Aug.-Sep. 2006, paper THBAU04, pp. 545--547.
@inproceedings{nguyen:fel06-thbau04, author = {D. C. Nguyen and H. Freund}, title = {{Stair-Step Tapered Wiggler for High-Efficiency FEL}}, booktitle = {Proc. FEL'06}, pages = {545--547}, paper = {THBAU04}, venue = {Berlin, Germany, Aug.-Sep. 2006}, publisher = {JACoW Publishing, Geneva, Switzerland}, url = {https://jacow.org/f06/papers/THBAU04.pdf}, language = {english} }