X-ray and optical bursts and flares in YSOs: results from a 5-day XMM-Newton monitoring campaign of L1551G. Giardino, F. Favata, B. Silva, G. Micela, F. Reale and S. SciortinoA&A, 453 1 (2006) 241-252DOI: https://doi.org/10.1051/0004-6361:20053663