TY  - GEN
AU  - Schrenk, H
AU  - Heiman, H.
TI  - Air pollution in Donora, Pa :epidemiology of the unusual smog episode of October 1948
PY  - 1949///
CY  - Washington D.C
PB  - Federal Security Agency
KW  - QUALIDADE DO AR
KW  - IM
KW  - 551.5
KW  - med
KW  - fre
ER  -