TY  - JOUR 
T1  - Transmission systems in agricultural tractors marketed in Brazil
JO  - Ciência Rural
A1  - Herzog, Daniela
A1  - Schlosser, José Fernando
A1  - Bertinatto, Rovian
A1  - Farias, Marcelo Silveira de
A1  - Casali, Leonardo
SN  - 0103-8478
UL  - 10.1590/0103-8478cr20200514
VL  - 51 
Y1  - 2021
PB  - Brazil 
ER  -