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Cave Opilionida in Bulgaria
Vol 6, Page 17
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Paraphanolophus halffteri sp. n. - one new larval species of Erythraeidae (Acariformes) from Tabasco, Mexico
Vol 6, Page 25
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A contribution to the study of the ground-beetle fauna (Coleoptera, Carabidae) from the Osogovo Mountain. I
Vol 6, Page 29
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Zur Verbreitung der Myrmeleontiden in Bulgarien (Neuroptera)
Vol 6, Page 37
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Zoogeographische Charakteristik der bulgarischen Raupenfliegen (Diptera, Tachinidae)
Vol 6, Page 49
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The Holocene avifauna of Bulgaria (A review of the omitho-archaeological studies)
Vol 6, Page 59
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The Bulgarian Ornithological Society is finally established
Vol 6, Page 82
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Raptors and Owls (Aves: Falconiformes et Strigiformes) in the Archaeological Record of Bulgaria
Vol 6, Page 83