@book{15106,
	author = {Agrawal, V.P. . and Dalela, R.C. .},
	title = {A Text-Book of Invertebrate Zoology /},
	publisher = {Jai Prakash Nath & Co. ,},
	year = {1978.},
	address = {Meerut :},
	edition = {5th Rev. ed. /}
}