@book{15273,
	author = {Hewitt, E. J.},
	title = {Sand and water culture methods used in the study of plant nutrition.},
	publisher = {Commonwealth Agricultural Bureaux,},
	year = {1966.},
	series = {Commonwealth Bureau of Horticulture and Planation Crops. Technical Communication},
	address = {Bucks, England :},
	edition = {2 ed.},
	note = {Perdido original se repuso con una fotocopia}
}