TY - RPRT TI - Environmental characteristics associated with the occurrence of avian botulism in wetlands of a northern California refuge AU - Tonie E. Rocke AU - Ned H. Euliss AU - Michael D. Samuel PY - 1999 DO - 10.2307/3802520 UR - https://pubs.usgs.gov/publication/1001888 ID - 1001888 ER -