Authors: Simmons, OD Sobsey, MD Schaefer, FW Francy, DS Nally, RA Heaney, CD

Citation: Od. Simmons et al., Evaluation of USEPA method 1622 for detection of Cryptosporidium oocysts in stream waters, J AM WATER, 93(1), 2001, pp. 78-87

Authors: Francy, DS Helsel, DR Nally, RA

Citation: Ds. Francy et al., Occurrence and distribution of microbiological indicators in groundwater and stream water, WAT ENV RES, 72(2), 2000, pp. 152-161