@article {planck2015XXVII,
	title = {Planck 2015 results. XXVII. The second Planck catalogue of Sunyaev-Zeldovich sources},
	journal = {\aap},
	volume = {594},
	year = {2016},
	month = {oct},
	pages = {A27},
	author = {\sorthelpPlanck Collaboration 201627Planck Collaboration and et al.}
}