000 00318nam a2200145Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c275
040 _aET
100 _aUMA MANGAL
245 0 _aSAMAJIK VIGYAN SHIKSHAN
260 _bARYA BOOK DEPOT
_aNEW DELHI
300 _a528
500 _a67501
942 _cBK
999 _c73464
_d73464