@book{207057,
	author = {O´kane,W. and New Hamsphire. Agr. Exp. Sta. Technical Bulletin; 40},
	title = {Lime- sulphur in relation to San José and oyster shell scells :},
	publisher = { Agricultural Experiment Station},
	address = {Durham, N.H. :},
	note = {Encuadernado con otros impresos similares}
}