@book{49217,
	author = {Bashkin, V. N. and Howarth, Robert Warren. and ebrary, Inc.},
	title = {Modern biogeochemistry},
	publisher = {Kluwer Academic Publishers,},
	year = {c2002.},
	address = {Dordrecht ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10067559}
}