| 000 | 00485nam a2200121 a 4500 | ||
|---|---|---|---|
| 005 | 20220228110748.0 | ||
| 035 | _aF8901000718006 | ||
| 084 | _aEPS MIS 0001 1974 | ||
| 245 | _aNational air pollution surreillance monthly summary septemb-er 1973 = Surveillance nationale de la pollution atmospheri-que, estrait mensuel, september 1973. | ||
| 260 | _aCanada : Environmental Protection Service | ||
| 300 | _a169 p. | ||
| 690 | _aAire - Contaminacion - Canada.Aire - Contaminacion - Evaluacion. | ||
| 999 |
_c64417 _d64417 |
||