TY  - RPRT
TI  - Research on pathogens at Great Lakes beaches: sampling, influential factors, and potential sources
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 2013
DO  - 10.3133/fs20133071
UR  - https://pubs.usgs.gov/publication/fs20133071
ID  - fs20133071
ER  -