TY  - BOOK
AU  - 
TI  - INDICATORS OF ENVIRONMENTAL QUALITY
U1  - 301.31 
PY  - 1972///
CY  - N. Y.
PB  - Plenum Press
KW  - Man -- Influence Of Environment -- Congresses
N1  - Proceedings Of A Symposium Held During The Aaas Meeting In Philadelphia, Pennsylvania, December 26-31
ER  -