@article {planck2015XXI,
	title = {Planck 2015 results. XXI. The integrated Sachs-Wolfe effect},
	journal = {\aap},
	volume = {594},
	year = {2016},
	month = {oct},
	pages = {A21},
	author = {\sorthelpPlanck Collaboration 201621Planck Collaboration and et al.}
}