TY  - BOOK
AU  - Mitchell, Colin W.
TI  - Terrain evaluation: : an introductory handbook to the history, principles and methods of practical terrain assesment
T2  - The World"s landscape
U1  - 551.4 
PY  - 1973///
CY  - London
PB  - Longman
KW  - Tierras
KW  - Evaluación
ER  -