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| 020 | $a0-631-18404-X | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 041 | $aInglés | ||||||||||
| 080 | $a504.3.054 | ||||||||||
| 090 | $aCIDIMA | ||||||||||
| 245 10 | $aUrbain air pollution in megacities of the world $cpublished on behalf of the World Health Organization and the United Nations Environment Programme | ||||||||||
| 250 | $areimp. | ||||||||||
| 260 | $aOxford $bBlackwell $c1993 | ||||||||||
| 300 | $a230 p. $bgráf. $c30 | ||||||||||
| 440 | $aGlobal environment monitoring system | ||||||||||
| 650 14 | $aContaminación atmosférica | ||||||||||
| 650 14 | $aÁreas metropolitanas | ||||||||||
| 710 2 | $aWorld Health Organization | ||||||||||
| 710 2 | $aUnited Nations Environment Programme | ||||||||||
| 800 1 | $aGlobal environment monitoring system | ||||||||||
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