@book{41505,
	author = {Ullah, Md. Bashir},
	title = {Air quality in Bangladesh : atmospheric pollutants and their impact on soil and crops / },
	publisher = {University of Dhaka, },
	year = {2008.},
	address = {Dhaka : },
	note = {Thesis (M.Phil.) -- Department of Soil, water and environment, University of Dhaka, 1996-97
}
}