Title:Ecological determinants of Tyrannus flycatcher nestling growth at northand south-temperate latitudes / Determinantes ecológicos del crecimiento del pichón de Tyrannus flycatcher en latitudes templadas del norte y del sur
Title:Characterization of Bacillus larvae white, the causative agent of American foulbrood of honey-bees : First record of its occurrence in Argentina / Caracterizacion de Bacillus larvae white, agente causal de la loque americana de las abejas. Primer registro en la Argentina.