Ultrafast Measurements of Coherent Vibrations in Benzenethiol Monolayer Film K. Shudo, K. Doi, I. Katayama, M. Kitajima and J. Takeda EPJ Web of Conferences, 41 (2013) 05013 Published online: 13 March 2013 DOI: 10.1051/epjconf/20134105013