@book{13607,
	author = {Oomen, H. A. P. C. and Grubben, G. J. H.,},
	title = {Tropical leaf vegetables in human nutrition /},
	publisher = {Koninklijk Instituut voor de Tropen,},
	year = {c1977.},
	series = {Communication - Department of Agricultural Research, Koninklijk Instituut voor de Tropen ; 69},
	address = {Amsterdam :},
	edition = {2nd ed.}
}