000 00327nam a2200145Ia 4500
008 230302s9999 xx 000 0 und d
041 _aENGLISH
082 _a539
100 _aB.V. Narayanrao
245 0 _aModern Physics
260 _aaaa
_bWiley Eastern
_c1994
300 _a604
650 _aCurrent Science
942 _cBK
999 _c11588
_d11588