TY  - BOOK
AU  - A.F. Gustafson
TI  - Using and managing soils
U1  - 631.4 
PY  - 1948///
CY  - New York
PB  - McGraw Hill Book Co.Inc
N1  - A.F. Gustafson: Using and managing soils.  New York.  McGraw Hill Book Co.Inc, 1948.--(631.4GUS)
ER  -