Exposure of waterfowl to lead : a nationwide survey of residues in wing bones of seven species,1972-73 / C. Stendell...[et al]. - Washington : United States Department of the Interior, Fish and wildlife Service, [19--]
. - 12 p. ; 27 cm. - (Special Scientific Report Wildlife) ; 223
Vida selvagem /
ARQ-9352
. - 12 p. ; 27 cm. - (Special Scientific Report Wildlife) ; 223
Vida selvagem /
ARQ-9352