000 00301nam a2200133Ia 4500
008 230118s9999||||xx |||||||||||||| ||und||
082 _a510
082 _bPIL/M
100 _ajanardhanan
_bpillay
245 0 _amain mathematics
260 _aottapalam
260 _bajith book of centre
260 _c1991
999 _c5777
_d5777