Quasar host environments: The view from PlanckLoïc Verdier, Jean-Baptiste Melin, James G. Bartlett, Christophe Magneville, Nathalie Palanque-Delabrouille and Christophe YècheA&A, 588 (2016) A61DOI: https://doi.org/10.1051/0004-6361/201527431