TY  - BOOK
AU  - Thomas William L
TI  - Man's Role in changing the Face of the Earth
SN  - 0-226-79603-5
U1  - 304.2 23
PY  - 1971///
CY  - US.
PB  - The University of Chicago Press
N1  - Part I: Retrospect
Part II: Process
Part III: Prospect
Part IV: Summary Remarks
ER  -