DDT and DDE residues in soil at the Beltsville, Md., aerial test circle in 1963
Contributors: United States. Forest Service
Series: U.S. Forest Service research note -- WO-4; U.S. Forest Service research note WO -- 4.
Publisher: U.S. Dept. of Agriculture
Published: 1964
Place of publication: Washington, D.C
Language: eng
Subjects: DDT (Insecticide); Testing