TY  - BOOK
ED  - Seminar on Pollution and Productivity (1973).
TI  - [Papers] : : seminar on pollution and productivity, 14th November, 1973
PY  - 1973///
CY  - (S.l. : s.n.) ; 
KW  - Pollution
KW  -  Measurement
KW  -  Congresses
KW  -  International cooperation
ER  -