TY  - BOOK
T1  - Why do we still have an ecological crisis?
DA  - [1972]
CY  - Englewood Cliffs, N.J.,
AU  - Armstrong, Terry R.,
CN  - TD174
CN  - TD174
PB  - Prentice-Hall
PP  - Englewood Cliffs, N.J.,
PY  - [1972]
ID  - 15785
KW  - Pollution.
KW  - Pollution
SN  - 0139587446
SN  - 0139587365 (pbk.)
TI  - Why do we still have an ecological crisis?
ER  -