TY  - JOUR 
T1  - Pheromones and reproduction in brazilian stingless bees
JO  - Memórias do Instituto Oswaldo Cruz
A1  - Engels, Wolf
SN  - 0074-0276
UL  - 10.1590/S0074-02761987000700009
VL  - 82 
Y1  - 1987
PB  - Brasil 
ER  -