BeppoSAX observation of PSR B1937+21 L. Nicastro, G. Cusumano, O. Löhmer, M. Kramer, L. Kuiper, W. Hermsen, T. Mineo and W. Becker A&A, 413 3 (2004) 1065-1072 Published online: 07 January 2004 DOI: 10.1051/0004-6361:20031593