@book{46055,
	author = {Delaplane, Keith S. and Mayer, D. F. and ebrary, Inc.},
	title = {Crop pollination by bees},
	publisher = {CABI,},
	year = {c2000.},
	address = {Wallingford [England] ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10060547}
}