The enigmatic WR46: A binary or a pulsator in disguise - II. The spectroscopy P. M. Veen, A. M. van Genderen, P. A. Crowther and K. A. van der Hucht A&A, 385 2 (2002) 600-618 Published online: 15 April 2002 DOI: 10.1051/0004-6361:20020075