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