@article {1538,
	title = {Biological control of the citrus blackfly in Mexico},
	volume = {No 1311},
	year = {1964},
	pages = {1+30pp},
	author = {Smith, H.D. and Naltby, H.L. and Jim{\'e}nez Jimenez, E.}
}
@article {351,
	title = {The citrus blackfly in Asia and the importation of its natural enemies into tropical America},
	volume = {320},
	year = {1932},
	pages = {58pp},
	author = {Clausen, C.P. and Berry, P.A.}
}
