[n] H. T. Ren et al., “FRIB 28 GHz ECR Ion Source Development and Status”, presented at the ECRIS'20, East Lansing, MI, USA, Sep. 2020, paper MOXZO03, unpublished.
%\cite{Ren:ECRIS20-MOXZO03} \bibitem{Ren:ECRIS20-MOXZO03} H. T. Ren \emph{et al.}, \textquotedblleft{FRIB 28 GHz ECR Ion Source Development and Status}\textquotedblright, presented at the ECRIS’20, East Lansing, MI, USA, Sep. 2020, paper MOXZO03, unpublished.
@unpublished{ren:ecris20-moxzo03, author = {H. T. Ren and others}, title = {{FRIB 28 GHz ECR Ion Source Development and Status}}, booktitle = {Proc. ECRIS'20}, pages = {}, paper = {MOXZO03}, venue = {East Lansing, MI, USA}, intype = {presented at the}, series = {International Workshop on ECR Ion Sources # series}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {7}, year = {2022}, issn = {2222-5692}, isbn = {978-3-95-450226-4}, note = {presented at ECRIS'20, East Lansing, MI, USA, Sep. 2020, paper MOXZO03, unpublished}, language = {english} }