TY  - BOOK
AU  - Wilson, John P.
AU  - Gallant, John C.
TI  - Terrain analysis: principles and applications   
SN  - 0471321885
PY  - 2000///
CY  - New York
PB  - John Wiley & Sons Inc.     
KW  - Geography
N1  - Bibliography P 429-468
ER  -