TY - RPRT TI - Role of manganese oxides in the exposure of mute swans (Cygnus olor) to Pb and other elements in the Chesapeake Bay, USA AU - W. N. Beyer AU - Daniel D. Day PY - 2004 DO - 10.1016/j.envpol.2003.10.026 UR - https://pubs.usgs.gov/publication/5224276 ID - 5224276 ER -