TY  - BOOK
AU  - Cook, Ray L.
AU  - Ellis, Boyd G.
TI  - Soil management: a world view of conservation and production
SN  - 047188927X
U1  - 631.4 21st ed.
PY  - 1987///
CY  - New York
PB  - John Wiley and Sons
KW  - Soil conservation
KW  - Soil management
N1  - Index: p. 407-13
ER  -