The outburst of the eruptive young star OO Serpentis between 1995 and 2006 Á. Kóspál, P. Ábrahám, T. Prusti, J. Acosta-Pulido, S. Hony, A. Moór and R. Siebenmorgen A&A, 470 1 (2007) 211-219 Published online: 16 May 2007 DOI: 10.1051/0004-6361:20066108