TY  - BOOK
AU  - Phillips,Ronald E.
AU  - Phillips,Shirley H.
TI  - No-tillage agriculture : : principles and practices
SN  - 0442277318
U1  - 631.5'8 PHI 
PY  - 1984///
CY  - New York
PB  - Van Nostrand Reinhold
ER  -