000 00300nam a2200121Ia 4500
008 210310s9999 xx 000 0 und d
040 _crty
100 _aNarayan,Shanti
245 0 _aElements of Elementary algebric structures Part.1-Groups
260 _aNew Delhi
300 _a1970
942 _cTU
999 _c240453
_d240453