

@article {4075,
	title = {{Occurrence of Giardia and Cryptosporidium in water supplies of Russia and Bulgaria}},
	journal = {Environmental Research},
	volume = {102},
	year = {2006},
	pages = {260{\textendash}271},
	author = {Karanis, P and Sotiriadou, I and Kartashev, V and Kourenti, C and Tsvetkova, N and Stojanova, K}
}
