[n] T. E. Mason, “The Spallation Neutron Source: A Powerful Tool for Materials Research”, presented at the PAC'05, Knoxville, TN, USA, May 2005, paper FOPA001, unpublished.
%\cite{Mason:PAC05-FOPA001} \bibitem{Mason:PAC05-FOPA001} T. E. Mason, \textquotedblleft{The Spallation Neutron Source: A Powerful Tool for Materials Research}\textquotedblright, presented at the PAC’05, Knoxville, TN, USA, May 2005, paper FOPA001, unpublished.
@unpublished{mason:pac05-fopa001, author = {T. E. Mason}, title = {{The Spallation Neutron Source: A Powerful Tool for Materials Research}}, booktitle = {Proc. PAC'05}, paper = {FOPA001}, venue = {Knoxville, TN, USA, May 2005}, intype = {presented at the}, series = {Particle Accelerator Conference}, number = {21}, publisher = {JACoW Publishing, Geneva, Switzerland}, url = {https://jacow.org/p05/papers/FOPA001.pdf}, note = {presented at PAC'05, Knoxville, TN, USA, May 2005, paper FOPA001, unpublished}, language = {english} }