TY  - BOOK
AU  - FitzPatrick, Ewart Adsil
TI  - Soil their formation, classification and distribution
U1  - 631.4 F57 
PY  - 1983///
CY  - London
PB  - Longman
KW  - Suelos
KW  - Clasificación
KW  - Formación
ER  -