| 000 | 004820000a22001690004500 | ||
|---|---|---|---|
| 008 | 151030t1972 xxu||||| |||| 00| 0 eng d | ||
| 041 | _aeng | ||
| 080 |
_a628.51 _bW6 |
||
| 942 | _cBK | ||
| 110 | _aWorld Health Organization, Geneva | ||
| 245 | _aAir quality criteria and guides for urban air pollutants | ||
| 260 |
_aGeneva _bWHO _c1972 |
||
| 440 | _aTechnical report series | ||
| 650 | _aPublic health engineering | ||
| 650 | _aIndustrial nuisances | ||
| 650 | _aair pollution | ||
| 999 |
_c141620 _d141620 |
||