BeppoSAX observations of Mrk 841 and Mrk 335 S. Bianchi, G. Matt, F. Haardt, L. Maraschi, F. Nicastro, G. C. Perola, P. O. Petrucci and L. Piro A&A, 376 1 (2001) 77-84 Published online: 15 September 2001 DOI: 10.1051/0004-6361:20010971