V379 Cephei: a quadruple system of two binaries P. Harmanec, P. Mayer, A. Prša, H. Božić, P. Eenens, E. F. Guinan, G. McCook, P. Koubský, D. Ruždjak, S. Engle et al. (5 more) A&A, 463 3 (2007) 1061-1069 Published online: 19 December 2006 DOI: 10.1051/0004-6361:20066472