TY  - BOOK
AU  - Brown,Harrison
TI  - The challenge of man's future
U1  - 304.2  20
PY  - 1966/// printing]
CY  - New York
PB  - Viking Press
KW  - Human geography
KW  - Geography
N1  - Compass Books edition 1956; Includes index; Bibliography: p. 271-276
ER  -