[n] L. T. Sun et al., “Status of FECR Ion Source”, presented at the ECRIS'22, Ahmedabad, India, Oct. 2022, paper WET2AUCO03, unpublished.
%\cite{Sun:ECRIS22-WET2AUCO03} \bibitem{Sun:ECRIS22-WET2AUCO03} L. T. Sun \emph{et al.}, \textquotedblleft{Status of FECR Ion Source}\textquotedblright, presented at the ECRIS’22, Ahmedabad, India, Oct. 2022, paper WET2AUCO03, unpublished.
@unpublished{sun:ecris22-wet2auco03, author = {L. T. Sun and others}, title = {{Status of FECR Ion Source}}, pages = {}, paper = {WET2AUCO03}, venue = {Ahmedabad, India, Oct. 2022}, intype = {presented at the}, series = {International Workshop on ECR Ion Sources}, number = {25}, publisher = {JACoW Publishing, Geneva, Switzerland}, note = {presented at ECRIS'22, Ahmedabad, India, Oct. 2022, paper WET2AUCO03, unpublished}, language = {english} }