Reference

Sandro Lovari, Claudio Scala (1983): Revision of Rupicapra Genus IV. Horn biometrics of Rupicapra rupicapra asiatica and its relevance to the taxonomic position of Rupicapra rupicapra caucasica – Mammalian Biology (früher Zeitschrift für Säugetierkunde) – 49: 246 - 253.