00266nam a2200121Ia 45000030006000000080041000060400015000471000015000622450029000772600009001065460012001150050017001270STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aKeer, H.V.  aPrinciples of soli state  c1999  aEnglish20220125170236.0