Comparison of filters for concentrating microbial indicators and pathogens in lake-water samples - Francy, Donna; Stelzer, Erin; Brady, Amie M. G.; Huitger, Carrie; Bushon, Rebecca; Ip, S.; Ware, Michael; Villegas, Eric; Gallardo, Vincent; Lindquist, H.D. (Applied and Environmental Microbiology, 2013)