BeppoSAXLECS background subtraction techniques A. N. Parmar, T. Oosterbroek, A. Orr, M. Guainazzi, N. Shane, M. J. Freyberg, D. Ricci and A. Malizia Astron. Astrophys. Suppl. Ser., 137 3 (1999) 569 Published online: 15 June 1999 DOI: 10.1051/aas:1999255