@article {golshahi2008granular,
	title = {Granular filtration for airborne nanoparticles},
	journal = {ASHRAE Transactions},
	volume = {114},
	year = {2008},
	pages = {533},
	publisher = {American Society of Heating, Refrigeration and Air Conditioning Engineers, Inc.},
	author = {Golshahi, Laleh and Zhongchao Tan PhD, PEng and Jalal Abedi PhD, PEng}
}