@book{202156,
	author = {Ewart, W. H and De Bach, Paul},
	title = {Important factors to consider in the use of DDT for the control of citrus thrips and citricola scale in central California in 1947  /},
	publisher = { University of California},
	address = {Riverside, Cal.  :},
	note = {Encuadernado con impresos similares}
}
