Energy dependence of a low frequency QPO in GRS 1915+105 J. Rodriguez, Ph. Durouchoux, I. F. Mirabel, Y. Ueda, M. Tagger and K. Yamaoka A&A, 386 1 (2002) 271-279 Published online: 15 April 2002 DOI: 10.1051/0004-6361:20020218