Enlace original:
http://repositorio.uchile.cl/handle/2250/119636
Costa Arbulú, César
,
Gianoli, Ernesto
,
González, Wilfredo L.
,
Niemeyer Marich, August
,
[Feeding by the aphid sipha flava produces a reddish spot on leaves of sorghum halepense: an induced defense?]