TY  - JOUR 
T1  - Rice herbicide monitoring in two Brazilian rivers during the rice growing season
JO  - Scientia Agricola
A1  - Marchesan, Enio
A1  - Zanella, Renato
A1  - Avila, Luis Antonio de
A1  - Camargo, Edinalvo Rabaioli
A1  - Machado, Sérgio Luiz de Oliveira
A1  - Macedo, Vera Regina Mussoi
SN  - 0103-9016
UL  - 10.1590/S0103-90162007000200005
VL  - 64 
Y1  - 2007
PB  - Brasil 
ER  -