IUTAM Symposium on the Vibration Analysis of Structures with Uncertainties : proceedings of the IUTAM Symposium on the Vibration Analysis of Structures with Uncertainties held in St. Petersburg, Russia, July 5-9, 2009 / Alexander K. Belyaev, Robin S. Langley, editors. - Belyaev, Alexander; Langley, Robin S. (IUTAM bookseries, 2011)