000 00286nam a2200133Ia 4500
008 230206s9999||||xx |||||||||||||| ||und||
020 _c410
040 _aDEL
100 _aPathak, H.K.
_9172
245 0 _aCalculus
260 _bSatya Prakashan
_aMeerut
300 _a800
942 _cBK
999 _c92115
_d92115