Ott, D E Analytical method for malathion with automated colorimetry: application to malathion residues in wheat. [electronic resource] - Environmental quality and safety. Supplement 1975 - 8-11 p. digital Publication Type: Journal Article ISSN: 0340-4714 Subjects--Topical Terms: AutoanalysisColorimetryMalathion--analysisMethodsPesticide Residues--analysisTriticum--analysis