See:
- Giulio Magli, Eugenio Realini, Mauro Peppino Zedda, Emanuela Franzoni: The megalithic complex of Monte Barantain Sardinia: a pilgrimage center of theearly Bronze Age?, Complutum, 2011, Vol. 22 (1), pp. 107-116 - https://revistas.ucm.es/index.php/CMPL/article/viewFile/36783/35613
- http://www.megalithic.co.uk/article.php?sid=6336264