TY  - JOUR 
T1  - Determination of the critical period of weed control in corn using a thermal basis
JO  - Pesquisa Agropecuária Brasileira
A1  - Bedmar, Francisco
A1  - Manetti, Pablo
A1  - Monterubbianesi, Gloria
SN  - 0100-204X
UL  - 10.1590/S0100-204X1999000200006
VL  - 34 
Y1  - 1999
PB  - Brasil 
ER  -