TY  - BOOK
TI  - Soil science society of America journal.
U1  - J 631.497 SOI 1980 
PY  - 1980///
CY  - Madison, Wis.
PB  - Soil Science Society of America
KW  - Soil Science Society of America
KW  - Soil Periodicals
KW  - United States
ER  -