Šapkarev, J. (1975). Contribution to the knowledge the earthworms (Lumbricidae) and leeches (Hirudinea) of Kosovo, Yugoslavia. Annuaire de la Faculté des Sciences de l'Universit de Skopje. 27: 39-54.
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Šapkarev, J.
1975
Contribution to the knowledge the earthworms (Lumbricidae) and leeches (Hirudinea) of Kosovo, Yugoslavia.
Annuaire de la Faculté des Sciences de l’Universit de Skopje