TY  - BOOK
AU  - Ritchie, James D.
TI  - Sourcebook for farm energy alternatives
U1  - 620.91:63 M3 
PY  - 1983///
CY  - New York
PB  - Mc Graw-Hill
KW  - James D. Ritchie
KW  - Renewable energy sources,Energy Conservation,Agriculture and Energy,Energy Utilization
ER  -