[n] H. Hahn, “The Coupling Impedance of a Toroidal Beam Tube with Circular Cross Section”, in Proc. PAC'99, New York, NY, USA, Mar. 1999, paper TUA15, pp. 1103-1105.
%\cite{Hahn:PAC99-TUA15} \bibitem{Hahn:PAC99-TUA15} H. Hahn, \textquotedblleft{The Coupling Impedance of a Toroidal Beam Tube with Circular Cross Section}\textquotedblright, in \emph{Proc. PAC’99}, New York, NY, USA, Mar. 1999, paper TUA15, pp. 1103--1105.
@inproceedings{hahn:pac99-tua15, author = {H. Hahn}, title = {{The Coupling Impedance of a Toroidal Beam Tube with Circular Cross Section}}, booktitle = {Proc. PAC'99}, pages = {1103--1105}, paper = {TUA15}, venue = {New York, NY, USA, Mar. 1999}, publisher = {JACoW Publishing, Geneva, Switzerland}, url = {https://jacow.org/p99/papers/TUA15.pdf}, language = {english} }