000 00259nam a22001217a 4500
999 _c36025
_d36025
020 _a9788121914765
082 _a530.41/PUR
100 _aPuri R.K.
245 _aSolid State Physics
260 _aDelhi
_bMacmilan Company
_c2021
300 _a311
942 _cBK