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[1]
BARRET TB, COST AIR POLLUTION D
[2]
BERGSTROM SOW, 1970, 5 P ANN HEALTH PHYSI, P29
[3]
CLARKE AJ, 1970, 2 INT CLEAN AIR C
[6]
GOLDSMITH JR, 1968, AIR POLLUTION
[7]
LAINHART WS, 1971, PULMONARY REACTION C
[9]
LAVE LB, 1972, JAN SIERR CLUB C ENV
[10]
MILLS GA, 1972, AUG M DIV PETR CHEM