TY  - JOUR 
T1  - Stingless bees and mass flowering trees in the canopy of Atlantic Forest: a tight relationship
JO  - Acta Botanica Brasilica
A1  - Ramalho, Mauro
SN  - 0102-3306
UL  - 10.1590/S0102-33062004000100005
VL  - 18 
Y1  - 2004
PB  - Brasil 
ER  -