@book{94117,
	author = {Lowson, J.M. and Sahni, Birbal., joint author, Howarth, W.O. & Warne,L.G.G., rev.},
	title = {Lowson' s text book of botany},
	publisher = {University Tutorial Press},
	year = {1949},
	address = {London},
	edition = {7th}
}