Facile formation of bare silver clusters in electrospray ionization multi-stage mass spectrometry T. Tabarin, R. Antoine, M. Broyer and P. Dugourd Eur. Phys. J. D, 37 2 (2006) 237-239 Published online: 16 November 2005 DOI: 10.1140/epjd/e2005-00310-7