title: A survey of chlorinated pesticide residues in black duck eggs.
authors.affiliation: Bureau of Sport Fisheries and Wildlife, U. S. Department of Interior, Patuxent Wildlife Research Center, Laurel, Maryland.
authors.forename: W L
authors.initials: WL
authors.lastname: Reichel
authors.forename: C E
authors.initials: CE
authors.lastname: Addy