1. Albrecht , G. Cryptosporidium parvum transport through clay and sand soil columns Ithaca, N. Y. 1996
2. Patterns of shedding of cryptosporidial oocysts in Idaho calves;Anderson;J. Am. Vet. Med. Assoc.,1981
3. Moist heat inactivation of cryptosporidium sp.;Anderson;Am. J. Public Health,1985
4. Effect of drying on the infectivity of cryptosporidialaden calf feces for 3- to 7-day-old mice;Anderson;Am. J. Vet. Res.,1986