@book{3133,
	author = {Helyer, Neil. and Brown, Kevin.},
	title = {A color handbook of biological control in plant protection /},
	publisher = {Timber Press,},
	year = {c2003.},
	address = {Portland, Or. :},
	note = {Include Index},
	url = {http://www.e-streams.com/es0701/es0701_2951.html}
}