TY  - BOOK
AU  - Merva, George E
TI  - Physioengineering principles
SN  - 0870551817
U1  - 581.1/MER 
PY  - 1979///
CY  - Westport
PB  - The A V I Publishing Company, Inc.
KW  - agricultural engineering
KW  - plant ecology
ER  -