[n] D. Wang, “Outlook to future X-FELs”, presented at the IPAC'23, Venice, Italy, May 2023, paper FRXD2, unpublished.
%\cite{Wang:IPAC23-FRXD2} \bibitem{Wang:IPAC23-FRXD2} D. Wang, \textquotedblleft{Outlook to future X-FELs}\textquotedblright, presented at the IPAC’23, Venice, Italy, May 2023, paper FRXD2, unpublished.
@unpublished{wang:ipac23-frxd2, author = {D. Wang}, title = {{Outlook to future X-FELs}}, booktitle = {Proc. IPAC'23}, pages = {}, paper = {FRXD2}, 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issn = {2673-5490}, isbn = {978-3-95-450231-8}, note = {presented at IPAC'23, Venice, Italy, May 2023, paper FRXD2, unpublished}, language = {english} }