TY  - BOOK
AU  - Dowdy, R. H.
ED  - American Society of Agronomy. Madison, Wis.
TI  - Chemistry in the soil environment: : proceedings
T2  - ASA special publication
U1  - 631.41 
PY  - 1981///
CY  - Madison, Wis
PB  - American Society of Agronomy
KW  - Suelos y cultivos
KW  - Suelos
KW  - Química de
ER  -