Air pollution in Donora, Pa., epidemiology of the unusual smog episode of October 1948, preliminary report . [Prefaces by Oscar R. Ewing and Leonard A. Scheele. Origin of study by J. G. Townsend and J. J. Bloomfield.]

Détails de l'édition

Éditeur

U.S. government printing office ((Washington,))

Date de publication

1 janvier 1949

Langue

eng