000 003080000a22001330004500
245 _aAnnual rainfall and surface runoff
110 _aSri Lanka Irrigation Department
260 _aColombo
_c1974
300 _a80 p., ill.
500 _amap
080 _a627.1(548.7)
_bS7
041 _aEN
942 _cBK
999 _c103945
_d103945