TY  - BOOK
AU  - Birkeland, Peter W.
TI  - Soil and geomorphology
SN  - 0195078861
U1  - 631.4 
PY  - 1999///
CY  - New York, N.Y.
PB  - Oxford University Press
KW  - GeografÃ­a fÃ­sica
KW  - GeologÃ­a
KW  - Suelos
KW  - ErosiÃ³n
KW  - FormaciÃ³n
ER  -