[n] F. Zhou et al., “Commissioning results of LCLS-II MHz repetition rate electron source”, presented at the IPAC'21, Campinas, Brazil, May 2021, paper FRXA04, unpublished.
%\cite{Zhou:IPAC21-FRXA04} \bibitem{Zhou:IPAC21-FRXA04} F. Zhou \emph{et al.}, \textquotedblleft{Commissioning results of LCLS-II MHz repetition rate electron source}\textquotedblright, presented at the IPAC’21, Campinas, Brazil, May 2021, paper FRXA04, unpublished.
@unpublished{zhou:ipac21-frxa04, author = {F. Zhou and others}, title = {{Commissioning results of LCLS-II MHz repetition rate electron source}}, booktitle = {Proc. IPAC'21}, paper = {FRXA04}, venue = {Campinas, Brazil, May 2021}, intype = {presented at the}, publisher = {JACoW Publishing, Geneva, Switzerland}, note = {presented at IPAC'21, Campinas, Brazil, May 2021, paper FRXA04, unpublished}, language = {english} }