TY  - BOOK
AU  - Drew, J. V.
TI  - Selected papers in soil fromation and classification
T2  - Special publication series
U1  - 631.44 
PY  - 1973/// (c.1967)
CY  - Madison, Wis.
PB  - Soil Science Society of America
KW  - Suelos
KW  - Clasificación
KW  - Formación
ER  -