@book{60141,
	author = {Sarkar, D. and Haldar, Abhijit. and ebrary, Inc.},
	title = {Physical and chemical methods in soil analysis},
	publisher = {New Age International (P) Ltd., Publishers,},
	year = {2005.},
	address = {New Delhi :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10318667}
}