00290nam a2200145Ia 45000030006000000080041000060400015000471000018000622450010000802500010000902600009001003000006001095460012001150050017001270STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aNarayan, R.K.  aGuide  aFirst  c1980  a0  aEnglish20220125170643.0