Kobayashi, Reiko, Robert A. Okamoto, Randy L. Maddalena, and Norman Y. Kado."Polycyclic aromatic hydrocarbons in edible grain: A pilot study of agricultural crops as a human exposure pathway for environmental contaminants using wheat as a model crop."Environmental Research 107 (2008) 145-151.
Kobayashi, Reiko, Robert A. Okamoto, Randy L. Maddalena, and Norman Y. Kado."Field Measurement of polycyclic aromatic hydrocarbons in wheat grain grown in Sacramento and San Joaquin Valleys, California." (2006).
Maddalena, Randy L., Thomas E. McKone, and Norman Y. Kado."Exposure chamber measurements of mass transfer and partitioning at the plant/air interface."Environmental Science & Technology 36.16 (2002) 3577-3585. DOI
De Martinis, Bruno S, Robert A. Okamoto, Norman Y. Kado, Lara A. Gundel, and Lilian R.F. Carvalho."Polycyclic aromatic hydrocarbons in a bioassay-directed fractionated extract of PM10 collected in São Paulo, Brazil."Atmospheric Environment 36.2 (2002) 307-314. DOI