[n] P. Zagrajek et al., “Bunch length measurement based on Cherenkov radiation spectrum at PolFEL”, presented at the IPAC'23, Venice, Italy, May 2023, paper TUPL053, unpublished.
%\cite{Zagrajek:IPAC23-TUPL053} \bibitem{Zagrajek:IPAC23-TUPL053} P. Zagrajek \emph{et al.}, \textquotedblleft{Bunch length measurement based on Cherenkov radiation spectrum at PolFEL}\textquotedblright, presented at the IPAC’23, Venice, Italy, May 2023, paper TUPL053, unpublished.
@unpublished{zagrajek:ipac23-tupl053, author = {P. Zagrajek and others}, title = {{Bunch length measurement based on Cherenkov radiation spectrum at PolFEL}}, booktitle = {Proc. IPAC'23}, pages = {}, paper = {TUPL053}, venue = {Venice, Italy}, intype = {presented at the}, series = {International Particle Accelerator Conference}, number = {14}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {9}, year = {2023}, issn = {2673-5490}, isbn = {978-3-95-450231-8}, note = {presented at IPAC'23, Venice, Italy, May 2023, paper TUPL053, unpublished}, language = {english} }