@book{2999,
	author = {National Seminar on Environmental Biology and Aditya, A. K. and Haldar, P.},
	title = {Biodiversity and environment :},
	publisher = {Daya Pub. House,},
	year = {2000.},
	address = {Delhi :},
	note = {Seminar held at Department of Zoology, Visva Bharati University, Santiniketan.}
}