00341nam a2200133Ia 45000030006000000080041000060400015000471000027000622450040000892500010001292600039001395460012001780050017001900STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aBalakrishna Pillai, K.  aPrayatnadhishtitha moolya sidhantam  aFirst  bState Institute of Languagesc1974  aEnglish20220125165716.0