[n] J. W. Guo et al., “Tentative Solution to Plasma Chamber Cooling for High Power ECR Ion Source Operation”, presented at the ECRIS'20, East Lansing, MI, USA, Sep. 2020, paper TUWZO02, unpublished.
%\cite{Guo:ECRIS20-TUWZO02} \bibitem{Guo:ECRIS20-TUWZO02} J. W. Guo \emph{et al.}, \textquotedblleft{Tentative Solution to Plasma Chamber Cooling for High Power ECR Ion Source Operation}\textquotedblright, presented at the ECRIS’20, East Lansing, MI, USA, Sep. 2020, paper TUWZO02, unpublished.
@unpublished{guo:ecris20-tuwzo02, author = {J. W. Guo and others}, title = {{Tentative Solution to Plasma Chamber Cooling for High Power ECR Ion Source Operation}}, booktitle = {Proc. ECRIS'20}, pages = {}, paper = {TUWZO02}, 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isbn = {978-3-95-450226-4}, note = {presented at ECRIS'20, East Lansing, MI, USA, Sep. 2020, paper TUWZO02, unpublished}, language = {english} }