[n] Z. Shen et al., “High Intensity Ion Beam Extraction System for FECR”, presented at the ECRIS'20, East Lansing, MI, USA, Sep. 2020, paper WEXZO01, unpublished.
%\cite{Shen:ECRIS20-WEXZO01} \bibitem{Shen:ECRIS20-WEXZO01} Z. Shen \emph{et al.}, \textquotedblleft{High Intensity Ion Beam Extraction System for FECR}\textquotedblright, presented at the ECRIS’20, East Lansing, MI, USA, Sep. 2020, paper WEXZO01, unpublished.
@unpublished{shen:ecris20-wexzo01, author = {Z. Shen and others}, title = {{High Intensity Ion Beam Extraction System for FECR}}, booktitle = {Proc. ECRIS'20}, pages = {}, paper = {WEXZO01}, 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isbn = {978-3-95-450226-4}, note = {presented at ECRIS'20, East Lansing, MI, USA, Sep. 2020, paper WEXZO01, unpublished}, language = {english} }
