@book{7177,
	author = {Lock, George Winslow.},
	title = {Sisal; thirty year's sisal research in Tanzania},
	publisher = {Longmans,},
	year = {c1969.},
	series = {[Tropical agriculture series]},
	address = {London :},
	edition = {[2d ed.},
	note = {Label on t.p.: New York, Humanities Press.}
}