000 00311nam a2200145Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c125
040 _aET
100 _aKAPOOR S.K.
245 0 _aGOLDBACH THEORY
260 _bARYA BOOK DEPOT
_aNEW DELHI
300 _a184
500 _a64946
942 _cBK
999 _c70909
_d70909