@conference {23874,
	title = {Classification of X-ray sources in the direction of M31},
	year = {2011},
	month = {2011/08/1},
	pages = {301},
	url = {https://ui.adsabs.harvard.edu/abs/2011xru..conf..301V},
	author = {Vasilopoulos, George and Hatzidimitriou, Despina and Pietsch, Wolfgang and Stiele, Holger and Xmm-Newton Collaboration and M 31 Large Program Collaboration}
}
