The biology of stingless bees - Velthuis, Hayo Hans Willem 1936- (The Netherlands : Department of Ethology, Utrecht University, 1997)
At the occasion of the centenary congress of Apimondia, Antwerp 1997
Keywords: ABEJAS SIN AGUIJÓN; ABEJAS -- CLASIFICACION; ABEJAS -- IDENTIFICACIÓN; ABEJAS -- HABITOS Y CONDUCTA