Diagram of the Kantaläi gal-āsana. Published in:  Wickremasinghe, Don Martino de Zilva. (1912-27). ‘No. 42. (Reg. No. 3.) Kantaläi Gal-Āsana Inscription of Kitti Nissaṅka-Malla (1187–1196 A.D.),’ Epigraphia Zeylanica 2, p. 283.