TY  - BOOK
AU  - Thomas,William Leroy
ED  - International Symposium on Man's Role in Changing the Face of the Earth,
TI  - Man's role in changing the face of the earth
PY  - 1956///
CY  - Chicago
PB  - Published for the Wenner-Gren Foundation for Anthropological Research and the National Science Foundation by the University of Chicago Press
KW  - Human geography
ER  -