@article {planck2015IX,
	title = {Planck 2015 results. IX. Diffuse component separation: CMB maps},
	journal = {\aap},
	volume = {594},
	year = {2016},
	month = {oct},
	pages = {A9},
	author = {\sorthelpPlanck Collaboration 201609Planck Collaboration and et al.}
}