| 000 | 00349nam a22001337a 4500 | ||
|---|---|---|---|
| 008 | 090620s2002 xxu||||| |||| 00| 0 spa d | ||
| 020 | _a9681819543 | ||
| 082 |
_a628.53 _bW17 |
||
| 100 | 1 |
_aWark, Kenneth, _d1927- _93670 |
|
| 245 |
_aContaminación del aire _borigen y control |
||
| 260 |
_aMexico _bLimusa _c2002 |
||
| 300 | _a650 p. | ||
| 942 |
_2ddc _cLIBR |
||
| 999 |
_c4526 _d4526 |
||