N. Sykes

Occurrence of Cryptosporidium spp oocysts and Giardia spp cysts in sewage influents and effluents from treatment plants in England

Huw Smith, C. Fricker, Z. Bukhari, 1997 .

Detection of Cryptosporidium oocysts in water: techniques for generating precise recovery data

C. Fricker, A. Jonas, N. Sykes, 1999, Journal of applied microbiology.