TY  - BOOK
ED  - National Research Council, Committee on Geoloical Sciences
ED  - National Academy of Sciences, (Washington, D. C.)
TI  - The earth and human affairs
SN  - 0063854910 :
U1  - 550 
PY  - 1973///
CY  - New York
PB  - Confield Press
KW  - Earth
KW  - Geophysics
N1  - Includes index
ER  -