See:
- James G. Macqueen, The Hittites: And Their Contemporaries in Asia Minor, rev. eds., London, Thames and Hudson 1986, pp. 110, 111, 119
- Trevor Bryce, Life and Society in the Hittite World, 2004, pp. 142–143.
- Joost Blasweiler, The Kalehisar mountain and the deities of Arinna, the city of the Sun Goddess, Arnhem (nl) 2017 – 1 Anatolia in the bronze age - https://www.academia.edu/30853831