@unpublished{silvis-excon12-pres,
    author = {Silvis, M. H. and Bloemsma, E. A. and Stradomska, A. U. and Knoester, J.},
    date = {2012-07},
    title = "Spectral signatures of exciton-phonon coupling in molecular aggregates: A polaron transformation approach",
    location = {\textit{10th International Conference on Excitonic Processes in Condensed Matter, Nanostructured and Molecular Materials}, Groningen, The Netherlands, July 2--6, 2012},
}