TY  - GEN
TY  - GEN
T1  - Our polluted world : can man survive?
A1  - Perry, John
LA  - eng
PP  - New York
PB  - F. Watts
YR  - 1967
ED  - Third printing
UL  - https://kansalliskirjasto.finna.fi/Record/vaari.2629326
KW  - Pollution.
ER  -