TY  - BOOK
AU  - Mitchell, Colin W.
TI  - Terrain evaluation: an introductory handbook to the history, principles, and methods of practical terrain assessment / 
SN  - 058230122X
AV  - 22608-22614 
U1  - 551.41 22
PY  - 1991///
CY  - London
PB  - Routledge
N1  - Includes bibliographical references and index
ER  -