@book{207390,
	author = {Davidson, J.},
	title = {On the ocurrence of the parthenogenetic and sexual forms in aphis rumicis L., with special reference to the influence of enviromental factors  /},
	note = {Sobretiro de: The annals of applied biology, 16 (1): 104-134, 1929. Encuadernado con otros impresos similares}
}