@book{106010,
	title = {A study on the effect of certain environmental factors on the mistard aphid, lipaphis erysimi kaltenbach (homoptera : aphididaae) /},
	publisher = {University of Dhaka,},
	year = {1979.},
	address = {Dhaka :},
	note = {Thesis (MS) -- Department of Zoology, University of Dhaka, 1979}
}