000 00279nam a2200097Ia 4500
008 250530s9999 xx 000 0 und d
100 _aPrabhakaran,PV
245 0 _aSankhyakalude Jalavidhya(2nd Ed)
260 _aThiruvanathapuram
_bState institute of languages
_c1996
942 _cBK
999 _c293452
_d293452