TY  - JOUR 
T1  - Effectiveness of Bacillus thuringiensis strains against Spodoptera frugiperda (lepidoptera: noctuidae)
JO  - Brazilian Journal of Microbiology
A1  - Polanczyk, Ricardo Antonio
A1  - Silva, Rogério Fernando Pires da
A1  - Fiuza, Lidia Mariana
SN  - 1517-8382
UL  - 10.1590/S1517-83822000000300003
VL  - 31 
Y1  - 2000
PB  - Brazil 
ER  -