@other{https://resolver.caltech.edu/CaltechETD:etd-01142008-074714, title = "Mutagenic particulate matter in air pollutant source emissions and in ambient air", url = "https://resolver.caltech.edu/CaltechETD:etd-01142008-074714", id = "record", doi = "10.7907/sy80-yz77" }