Fernando, A. Denis N.
The Ancient hydraulic civilization of Sri Lanka in relation to its natural resources - Colombo Royal Asiatic Society 1982 - iv, 48p. : ill., maps, photos. - New series vol. XXVII ; special number .
Journal of the Sri Lanka branch of the Royal Asiatic Society ; Acc. No. 38899 -Written off Council Memo No. 289:13
Hydrogeology Ancient Bisokotuwa at Maduru Oya Evolution of hydraulic structures Drainage patterns and river systems Bioclimates Ancient Vijithapura Ancient Mahaweli
626/627(091) / F4
The Ancient hydraulic civilization of Sri Lanka in relation to its natural resources - Colombo Royal Asiatic Society 1982 - iv, 48p. : ill., maps, photos. - New series vol. XXVII ; special number .
Journal of the Sri Lanka branch of the Royal Asiatic Society ; Acc. No. 38899 -Written off Council Memo No. 289:13
Hydrogeology Ancient Bisokotuwa at Maduru Oya Evolution of hydraulic structures Drainage patterns and river systems Bioclimates Ancient Vijithapura Ancient Mahaweli
626/627(091) / F4