[n] R. Kiefl et al., “Low Energy Spin Polarized Radioactive Nuclei: A New Instrument for Condensed Matter Research”, presented at the PAC'01, Chicago, IL, USA, Jun. 2001, paper FOAA007, unpublished.
%\cite{Kiefl:PAC01-FOAA007} \bibitem{Kiefl:PAC01-FOAA007} R. Kiefl \emph{et al.}, \textquotedblleft{Low Energy Spin Polarized Radioactive Nuclei: A New Instrument for Condensed Matter Research}\textquotedblright, presented at the PAC’01, Chicago, IL, USA, Jun. 2001, paper FOAA007, unpublished.
@unpublished{kiefl:pac01-foaa007, author = {R. Kiefl and others}, title = {{Low Energy Spin Polarized Radioactive Nuclei: A New Instrument for Condensed Matter Research}}, booktitle = {Proc. PAC'01}, paper = {FOAA007}, venue = {Chicago, IL, USA, Jun. 2001}, intype = {presented at the}, publisher = {JACoW Publishing, Geneva, Switzerland}, note = {presented at PAC'01, Chicago, IL, USA, Jun. 2001, paper FOAA007, unpublished}, language = {english} }