The Be/X-ray binary LS 992/RX J0812.4-3114: Physical parameters and long-term variabilityP. Reig, I. Negueruela, D. A. H. Buckley, M. J. Coe, J. Fabregat and N. J. HaighA&A, 367 1 (2001) 266-272DOI: https://doi.org/10.1051/0004-6361:20000238