'Smog reduction', Harpers
Tags: 1990s; 1994; 1994-6-1; Automobiles; Aylwin, S. J. B.; Carbon monoxide; Engineering; England; London; Mechanical Engineering; Physiological effect; Pollution control devices; Suicidal behavior; Wagg, A. S.
'How much poison are you breathing?', Harpers
Tags: 1950s; 1959; 1959-10-1; Air quality; California; Cosing, Art; Los Angeles; Lungs; Measurement; Motor vehicles; Other; Pollution control devices; Schaeffer, Charles; Smog; United States; Waste and Pollution
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