@book{16052,
	author = {Winteringham, F. P. W. and Symposium "Environment and Chemicals in Agriculture},
	title = {Environment and chemicals in agriculture :},
	publisher = {Elsevier Applied Science Publishers ;},
	year = {c1985.},
	address = {London ;},
	note = {Papers presented at the Symposium "Environment and Chemicals in Agriculture."}
}