| 000 | 005600000a22001690004500 | ||
|---|---|---|---|
| 001 | 033108 | ||
| 100 | _aUNITED NATIONS ENVIRONMENT PROGRAMME | ||
| 050 | _aRA441.U5 | ||
| 650 | _aAir pollution | ||
| 650 | _aPublic health | ||
| 041 | _aEng | ||
| 260 |
_aLondon _c1988 _bUNEP AND WHO |
||
| 942 | _cBK | ||
| 245 |
_bGlobal environment monitoring system _aAssessment of urban air quality |
||
| 550 |
_aTangaza _c05/09/2007 13:43:08 |
||
| 999 |
_c39539 _d39539 |
||