The molecular disk surrounding the protostellar binary L1551 IRS5 C. V. M. Fridlund, P. Bergman, G. J. White, G. L. Pilbratt and J. A. Tauber A&A, 382 2 (2002) 573-582 Published online: 15 February 2002 DOI: 10.1051/0004-6361:20011519