00341pab a2200121 454500008004000000100002400040245007300064260000900137300001300146362001100159650001500170773003400185180718b2013   xxu||||| |||| 00| 0 eng d  aShah, Tushaar et al  aAncient small - tank irrigation in Sri Lanka - Continuity and change  c2013  ap.58-65.  a16 Mar  aIrrigation  aEconomic and Political Weekly