TY  - JOUR 
T1  - Controle de vassoura-de-bruxa
JO  - Acta Amazonica
A1  - Singer, Rolf
SN  - 0044-5967
UL  - 10.1590/1809-43921977074570
VL  - 7 
Y1  - 1977
PB  - Brazil 
ER  -