TY  - BOOK
AU  - A.F. Gustafson
TI  - Soils and soil management
U1  - 631.4 
PY  - 1941///
CY  - New York
PB  - Mc Graw Hill Book Co Inc
N1  - A.F. Gustafson: Soils and soil management.  New York.  Mc Graw Hill Book Co Inc, 1941.--(631.4GUS)
ER  -