

@article {11649,
	title = {{Natural focus of infection of plankon crustaceans with preocercoids of Diphyllobothrium latum L. in Finland}},
	journal = {Acta Parasitologica Polonica},
	volume = {11},
	year = {1963},
	pages = {145{\textendash}153},
	author = {Guttowa, A}
}
