Spectroscopic and photometric behaviour of the FU Orionis variable Z Canis MajorisM. Teodorani, L. Errico, A. A. Vittone, F. Giovannelli and C. RossiAstron. Astrophys. Suppl. Ser., 126 1 (1997) 91-103DOI: https://doi.org/10.1051/aas:1997252