TY  - BOOK
AU  - Hassett, John J.
AU  - Banwart, Wayne L.
TI  - Soils and their environment
U1  - 631.4 
PY  - 1992///
CY  - Englewood Cliffs, N.J.
PB  - Prentice Hall
KW  - Suelos
KW  - Ecología
ER  -