TY  - RPRT
TI  - Lead concentrations in bullfrog Rana catesbeiana and green frog R. clamitans tadpoles inhabiting highway drainages
AU  - C.W. Birdsall
AU  - C.E. Grue
AU  - A. Anderson
PY  - 1986
DO  - 10.1016/0143-1471(86)90098-x
UR  - https://pubs.usgs.gov/publication/5221504
ID  - 5221504
ER  -