The complex behaviour of the microquasar GRS 1915+105 in the ρ class observed with BeppoSAX - I. Timing analysisE. Massaro, G. Ventura, F. Massa, M. Feroci, T. Mineo, G. Cusumano, P. Casella and T. BelloniA&A, 513 (2010) A21DOI: https://doi.org/10.1051/0004-6361/200912908