[Separate determination of residual amounts of DDT and DDE].
D003634:DDT / Q000032:analysis*; D003632:Dichlorodiphenyldichloroethane / Q000032:analysis*
D003634:DDT; D003632:Dichlorodiphenyldichloroethane
Razdel'noe opredelenie ostatochnykh kolichestv DDT i DDE.