Pulsations and orbital modulation of the intermediate polar 1WGA J1958.2+3232 A. J. Norton, H. Quaintrell, S. Katajainen, H. J. Lehto, K. Mukai and I. Negueruela A&A, 384 1 (2002) 195-205 Published online: 15 March 2002 DOI: 10.1051/0004-6361:20011820