00290nam a2200121Ia 45000030006000000080041000060400015000471000024000622450044000862600009001305460012001390050017001510STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aKrishnamurthy, E.V.  aIntroductory theory of computer science  c1983  aEnglish20220125170156.0