“…Braun and Wilson (So) measured the variation of sulfur dioxide concentration with altitude. A modified rubber-cracking technique was used in California for determining ozone levels in community surveys (226). Studies involving the measurement of a number of gases in Tokyo (121) and Bologna (287) have been reported.…”
Section: Analysis Of Sources Of Pollutionmentioning
“…Braun and Wilson (So) measured the variation of sulfur dioxide concentration with altitude. A modified rubber-cracking technique was used in California for determining ozone levels in community surveys (226). Studies involving the measurement of a number of gases in Tokyo (121) and Bologna (287) have been reported.…”
Section: Analysis Of Sources Of Pollutionmentioning
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