TY  - RPRT
TI  - Exposure of waterfowl to lead: a nationwide survey of residues in wing bones of seven species, 1972-73
AU  - Rey C. Stendell
AU  - Robert I. Smith
AU  - Kenneth P. Burnham
AU  - Robert E. Christensen
PY  - 1979
UR  - https://pubs.usgs.gov/publication/ssrw223
ID  - ssrw223
ER  -