On some owls (Aves: Strigidae) in the high parts of Pirin (SW Bulgaria) and their parasitic flies (Diptera: Hippoboscidae)
Beron, Petar
Article
2002
Historia naturalis bulgarica
15
147--149
BioStor
Bulgarian
Sofiia, Bulgarska akademiia na naukite, c1989-
BioStor: https://biostor.org/reference/192142
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