00289nam a2200121Ia 45000030006000000080041000060400015000471000032000622450035000942600009001295460012001380050017001500STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aPandey, B.R; Tripathi, L.N.  aIntroduction to Modern Physics  c1984  aEnglish20220125170218.0