BZ Camelopardalis during its 1999/2000 optical low stateJ. Greiner, G. Tovmassian, M. Orio, H. Lehmann, V. Chavushyan, A. Rau, R. Schwarz, R. Casalegno and R.-D. ScholzA&A, 376 3 (2001) 1031-1038DOI: https://doi.org/10.1051/0004-6361:20011048