@book{92117,
	author = {Goodall, D.W.},
	title = {Chemical composition of plants as an index of their nutritional status},
	publisher = {Imperial Bureau of Horticulture and Plantation Crops},
	year = {1947},
	series = {Imperial Bureau of Horticulture and Plantation Crops, Technical communication; no.17},
	address = {East Malling}
}