@book{23267,
	author = {Sinclair, Thomas R.,},
	title = {Principles of ecology in plant production /},
	publisher = {Cab International,},
	year = {c1998.},
	address = {Oxon [England] ;},
	url = {http://www.loc.gov/catdir/enhancements/fy0604/97033999-d.html}
}