Online references
Ancient Capital of Bedulu S.O. Robson
Perang Pandan in Tenganan Udayana University (Denpasar) student's note
Bali History Indonesian Tourism
Gringsing cloth NYTimes Travel
Pano shot Sam Rohn

Offline references
Island of Bali (by Miguel Covarrubias)
Custodians of the sacred mountains: culture and society in the highlands of Bali (by Thomas Anton Reuter)