@book{83011,
	author = { J.B.D.Robinson.},
	title = {An annotated bibliography of colour illustrated mineral deficiency sympotoms in tropical crops.},
	publisher = {Common Wealth Agricultural Bureaux},
	year = {c 1974},
	series = {Common Wealth Bureau of Horticulture and Plantation Crops, Technical communication; no.34.},
	address = {England}
}