000 00285nam a2200121Ia 4500
008 221229s9999 xx 000 0 und d
100 _aNCERT
245 0 _aPhysics part I Textbook for class XI
260 _aNew Delhi
_bNCERT
_c2006
300 _a229
650 _aEducation
942 _cBK
999 _c8476
_d8476