TY  - BOOK
AU  - Ewald William R Ed.
TI  - Environment for man :  The next fifty years   
SN  - 0253122805
U1  - U47.73.N6, K7 
PY  - 1967///
CY  - Bloomington
PB  - Indiana University Press        
KW  - Human Geography
N1  - Appendix p. 280-88
ER  -