TY  - BOOK
AU  - Wein [w W], 
TI  - Productive Soils Ed By R E Gregory 5th Edn
U1  - 631.4 
PY  - 1946///
CY  - Un Known
PB  - Un Known
KW  - General Stack
KW  - Soils
KW  - Techniques, equipment & materials
KW  - Generalia
ER  -