[n] F. Willeke, “HERA Status and Perspectives of Future Lepton-Hadron Colliders”, in Proc. EPAC'02, Paris, France, Jun. 2002, paper TUYGB001, pp. 20-24.
%\cite{Willeke:EPAC02-TUYGB001} \bibitem{Willeke:EPAC02-TUYGB001} F. Willeke, \textquotedblleft{HERA Status and Perspectives of Future Lepton-Hadron Colliders}\textquotedblright, in \emph{Proc. EPAC’02}, Paris, France, Jun. 2002, paper TUYGB001, pp. 20--24.
@inproceedings{willeke:epac02-tuygb001, author = {F. Willeke}, title = {{HERA Status and Perspectives of Future Lepton-Hadron Colliders}}, booktitle = {Proc. EPAC'02}, pages = {20--24}, paper = {TUYGB001}, venue = {Paris, France}, series = {European Particle Accelerator Conference}, number = {8}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {8}, year = {2007}, url = {https://jacow.org/e02/papers/TUYGB001.pdf}, language = {english} }