TY  - BOOK
AU  - Gregory,K.J.
AU  - Walling,D.E.
TI  - Man and environmental processes: a physical geography perspective 
SN  - 071290834X
PY  - 1979///
CY  - Westview Press, London
PB  - Dawson
KW  - Geology
KW  - Man
KW  - influence on nature
N1  - Includes bibliographies and index
ER  -