000 00349nam a2200133Ia 4500
008 210219s9999||||xx |||||||||||||| ||und||
082 _a539.7217
_bSN90P
100 _aR.K.Singh
_9684
245 0 _aPhenons in Cohdensed matters physics
_cR.K.Singh
260 _aDelhi
_bWiley Eastern
_c1990
300 _axi;266
942 _cBK
950 _o539.7217 SN90P
999 _c2119
_d2119