TY  - JOUR 
T1  - Plasmid patterns of efficient and inefficient strains of Bacillus thuringiensis against Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae)
JO  - Neotropical Entomology
A1  - Fagundes, RBS
A1  - Picoli, EAT
A1  - Lana, UGP
A1  - Valicente, FH
SN  - 1519-566X
UL  - 10.1590/S1519-566X2011000500012
VL  - 40 
Y1  - 2011
PB  - Brazil 
ER  -