The springs of Sinhala civilization - Seneviratna, Anuradha (Godage International Publishers, 2002)
A study of the origin and development of the irrigation works of the ancient Rajarata in Sri Lanka latter half of the first milenium B.C. to the thirteenth century A.D. with special reference to the science of hydraulic engineering water management and the cults and rituals associated with irrigation civilization.