TY  - BOOK
AU  - Vidal de La Blache,Paul Marie Joseph,1845-1918
AU  - Martonne,Emmanuel de,1873-1955
AU  - Bingham,Millicent Todd,1880-1968
TI  - Principles of human geography
PY  - 1926///
CY  - London
PB  - Constable
KW  - Human geography
KW  - Man
KW  - Influence of environment
ER  -