TY  - BOOK
AU  - Ray V. Herren 
TI  - Agricultural Mechanics: Fundamentals and applications
SN  - 978-1-337-91870-1
U1  - Cir. 631.3 H564 C2019 
PY  - 2019///
CY  - Boston, USA: 
PB  - Cengage; 
ER  -