TY  - BOOK
AU  - Gustafson, A.F.
TI  - Soils and soil management
T2  - Mc Graw-Hill Publications in the Agricultural Sciences
U1  - 631.4.008.2 H1 
PY  - 1941///
CY  - New York
PB  - Mc Graw-Hill
KW  - A.F. Gustafson
KW  - Soil,Farm-management
ER  -