@book{7991,
	author = {Fletcher, Frank.},
	title = {Note on a toxic substance excreted by the roots of plants.},
	publisher = {Published for the Imperial Dept. of Agriculture in India by Thacker, Spink & Co.;},
	year = {1908.},
	series = {Memoirs of the Dept. of Agriculture in India. Botanical series.},
	address = {Calcutta,}
}