The genus Erebia (Lepidoptera: Nymphalidae) in Balkan ...Historianaturalisbulgarica,9,1998:129-142...
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The genus Erebia (Lepidoptera: Nymphalidae) in Balkan ...Historianaturalisbulgarica,9,1998:129-142 ThegenusErebia(Lepidoptera:Nymphalidae) intheCentralBalkanNationalPark,Bulgaria AlexiPOPOV