[n] C. Krantz et al., “Recommissioning of the CRYRING@ESR Electron Cooler”, presented at the COOL'21, Novosibirsk, Russia, Nov. 2021, paper P1003, unpublished.
%\cite{Krantz:COOL21-P1003} \bibitem{Krantz:COOL21-P1003} C. Krantz \emph{et al.}, \textquotedblleft{Recommissioning of the CRYRING@ESR Electron Cooler}\textquotedblright, presented at the COOL’21, Novosibirsk, Russia, Nov. 2021, paper P1003, unpublished.
@unpublished{krantz:cool21-p1003, author = {C. Krantz and others}, title = {{Recommissioning of the CRYRING@ESR Electron Cooler}}, booktitle = {Proc. COOL'21}, pages = {}, paper = {P1003}, venue = {Novosibirsk, Russia}, intype = {presented at the}, series = {Workshop on Beam Cooling and Related Topics}, number = {13}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {12}, year = {2021}, issn = {2226-0374}, isbn = {978-3-95-450243-1}, note = {presented at COOL'21, Novosibirsk, Russia, Nov. 2021, paper P1003, unpublished}, language = {english} }