[n] J. Guo et al., “Operation and development of FRIB 28 GHz ECR ion source”, presented at the HIAT'25, East Lansing, MI, USA, Jun. 2025, paper WEP13, unpublished.
%\cite{Guo:HIAT25-WEP13} \bibitem{Guo:HIAT25-WEP13} J. Guo \emph{et al.}, \textquotedblleft{Operation and development of FRIB 28 GHz ECR ion source}\textquotedblright, presented at the HIAT’25, East Lansing, MI, USA, Jun. 2025, paper WEP13, unpublished.
@unpublished{guo:hiat25-wep13, author = {J. Guo and others}, title = {{Operation and development of FRIB 28 GHz ECR ion source}}, booktitle = {Proc. HIAT'25}, pages = {}, paper = {WEP13}, venue = {East Lansing, MI, USA}, intype = {presented at the}, series = {International Conference on Heavy Ion Accelerator Technology}, number = {16}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {10}, year = {2025}, issn = {2673-5547}, isbn = {978-3-95-450260-8}, note = {presented at HIAT'25, East Lansing, MI, USA, Jun. 2025, paper WEP13, unpublished}, language = {english} }