000 00322nam a2200145Ia 4500
008 220926s9999 xx 000 0 und d
100 _aS.K.Sachdeva
245 0 _aGeneral KnowlEdge
250 _a-
260 _aNew Delhi
260 _bSudha Publications
260 _c0
650 _aGeneral KnowlEdge
942 _cREF
999 _c17485
_d17485