A. Goguitchaichvili, M. Calvo-Rathert, J. Sologashvili, J. Morales, A.-M. Soler, y M. Espinosa, «A reconnaissance magnetostratigraphy of Georgian Plio- Quaternary volcanic provinces (southern Caucasus)», Geofis Int, vol. 40, n.º 2, pp. 111–119, abr. 2001.