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Field Measurement of polycyclic aromatic hydrocarbons in wheat grain grown in Sacramento and San Joaquin Valleys, California. Lawrence Berkeley National Laboratory, 2006. LBNL-60312..
"Polycyclic aromatic hydrocarbons in a bioassay-directed fractionated extract of PM10 collected in São Paulo, Brazil." Atmospheric Environment 36.2 (2002) 307-314..