@book{599432,
	author = {Ashrae Standards},
	title = {ASHRAE 52.2-2017 : STANDARD 52.2-2017 -- METHOD OF TESTING GENERAL VENTILATION AIR-CLEANING DEVICES FOR REMOVAL EFFICIENCY BY PARTICLE SIZE (ANSI APPROVED)},
	publisher = {ASHRAE },
	year = {2019-09-13}
}