RXTE monitoring of Centaurus A S. Benlloch, R. E. Rothschild, J. Wilms, C. S. Reynolds, W. A. Heindl and R. Staubert A&A, 371 3 (2001) 858-864 Published online: 15 June 2001 DOI: 10.1051/0004-6361:20010438