[n] S. Li, “Generation and Characterization of Attosecond Pulses From X-Ray Free-Electron Laser”, presented at the NAPAC'19, Lansing, MI, USA, Sep. 2019, paper TUYBA1, unpublished.
%\cite{SLi:NAPAC19-TUYBA1} \bibitem{SLi:NAPAC19-TUYBA1} S. Li, \textquotedblleft{Generation and Characterization of Attosecond Pulses From X-Ray Free-Electron Laser}\textquotedblright, presented at the NAPAC’19, Lansing, MI, USA, Sep. 2019, paper TUYBA1, unpublished.
@unpublished{sli:napac19-tuyba1, author = {S. Li}, title = {{Generation and Characterization of Attosecond Pulses From X-Ray Free-Electron Laser}}, booktitle = {Proc. NAPAC'19}, paper = {TUYBA1}, venue = {Lansing, MI, USA, Sep. 2019}, intype = {presented at the}, publisher = {JACoW Publishing, Geneva, Switzerland}, note = {presented at NAPAC'19, Lansing, MI, USA, Sep. 2019, paper TUYBA1, unpublished}, language = {english} }