TY  - BOOK
AU  - Belloli,Robert C.
TI  - Contemporary physical science: : our impact on our world 
SN  - 9780023080708
U1  - 301.31 
PY  - 1978///
CY  - New York
PB  - Macmillan
KW  - Human ecology
KW  - Ecology
KW  - Physical science : Effect on environment
KW  - Environmental protection
KW  - Natural resources
KW  - Pollution
N1  - Includes bibliographies and index
ER  -