000 00300nam a2200121Ia 4500
008 210310s9999 xx 000 0 und d
040 _crty
100 _aVerma, C. D and Sidhu ,C.D
245 0 _aSterling General Studies & General Knowledge
260 _aNew Delhi
300 _a1980
942 _cTU
999 _c233155
_d233155