Viral, bacterial, and protozoan pathogens and fecal markers in wells supplying groundwater to public water systems in Minnesota, USA

Water Research, Volume 178, 1 July 2020, 115814.

Joel P. Stokdyk, Aaron D. Firnstahl, James F. Walsh, Susan K. Spencer, Jane R. de Lambert, Anita C. Anderson, Lih-In W. Rezania, Burney A. Kiek Jr., Mark A. Borchardt

https://www.sciencedirect.com/science/article/pii/S0043135420303511