000 005030000a22001690004500
001 2963
090 _a2963
100 _a19940114d1949 m||y0pory5003 ba
102 _aUS
200 _aAir pollution in Donora, Pa :epidemiology of the unusual smog episode of October 1948
_fH. Schrenk, H. Heimann
210 _aWashington D.C
_cFederal Security Agency
_d1949
215 _a173 p.
_d30 cm
317 _aOrigem: IM
606 _aQUALIDADE DO AR
_zIM
675 _a551.5
_vmed
_zfre
700 1 _aSchrenk
_bH
700 1 _aHeiman
_bH.