@book{85556,
	author = {Mallik, Amitav. and Observer Research Foundation.},
	title = {Indian science and technology},
	publisher = {Pragun Publications in association with Observer Research Foundation,},
	year = {2006.},
	address = {New Delhi :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10415085}
}