000 00349nam a2200145Ia 4500
008 220926s9999 xx 000 0 und d
100 _aC.Laroral
245 0 _aModern Physics and Electronics
250 _a-
260 _aNew Delhi
260 _bS.Chand &Company Ltd
260 _c1984
650 _aModern Physics and Electronics
942 _cBK
999 _c13507
_d13507