00291nam a2200121Ia 45000030006000000080041000060400015000471000021000622450048000832600009001315460012001400050017001520STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aMahadevan,T.M.P.  aJournal of the Masras University Vol XXVIII  c1957  aEnglish20220125165725.0