Research & Education JFS ArticlesAAFS ConnectConference ProceedingsReference Series LibraryInternational Educational Outreach ProgramSeasonal Variation of Phosphatase and Sulfatase Levels in Soil and Their Potential Use in the Comparison of Evidentiary Soil SamplesPresenting section:Criminalistics2005Kishbaugh, Janine M., Allentown PAView the paperCriminalistics