TY  - GEN
AU  - Tollner, Ernest W
TI  - Natural resources engineering
SN  - 0813818478
U1  - 627 
PY  - 2002///
CY  - Iowa
PB  - Iowa State Press
KW  - AGRICULTURAL ENGINEERING
KW  - Bioengineering
KW  - HYDRAULIC ENGINEERING
KW  - NATURAL RESOURCES ENGINEERING
ER  -