000 002170000a22000970004500
082 _a511.32
_bK16
100 _aKarunaratne, K.R.R.M.T.
245 _aNawa Ganitaya Kulaka
260 _aColombo
_bLake House
_c1986
300 _axii, 136
942 _cPM
999 _c3664
_d3664