@article {451,
	title = {Prevalence of Eschericia coli O157:H7 and Salmonella spp in Surface Waters of Southern Alberta and its Relation to Manure Sources},
	journal = {Canadian Journal of Microbiology},
	volume = {49},
	year = {2003},
	pages = {326-335},
	author = {Johnson, J.Y.M. and Thomas, J.E. and T.A. Graham and Townshend, I.J. and Byrne, J. and B. Selinger and V.P.J Gannon}
}
