TY  - BOOK
AU  - National Academy of Sciences Naitonal Research Council (USA)
ED  - National Academy of Sciences Naitonal Research Council (USA)
TI  - Earth and human affairs
SN  - 0063854910
U1  - U16:(G:5), L2 
PY  - 1972///
CY  - New York
PB  - Harper & Row USA      
KW  - Geography
ER  -