000 00303nam a22001217a 4500
082 _a535
_bSAN/L
100 _aNarayana, S R Sankara
245 _aLight /
_cS R Sankara Narayana
260 _bS . Chand & Company. Ltd.,
_aNew Delhi :
300 _a612-753p. :
_bill. ;pb
650 _aPhysics
942 _cBK
999 _c20165
_d20165