[n] G. Geloni et al., “The attosecond technology program at the European XFEL”, presented at the IPAC'26, Deauville, France, May 2026, paper THP2078, unpublished.
%\cite{Geloni:IPAC26-THP2078} \bibitem{Geloni:IPAC26-THP2078} G. Geloni \emph{et al.}, \textquotedblleft{The attosecond technology program at the European XFEL}\textquotedblright, presented at the IPAC’26, Deauville, France, May 2026, paper THP2078, unpublished.
@unpublished{geloni:ipac26-thp2078, author = {G. Geloni and others}, title = {{The attosecond technology program at the European XFEL}}, pages = {}, paper = {THP2078}, venue = {Deauville, France, May 2026}, intype = {presented at the}, series = {International Particle Accelerator Conference}, number = {16}, publisher = {JACoW Publishing, Geneva, Switzerland}, note = {presented at IPAC'26, Deauville, France, May 2026, paper THP2078, unpublished}, language = {english} }