00286nam a2200121Ia 45000030006000000080041000060400015000471000042000622450022001042600009001265460012001350050017001470STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aNarayanamurthi, M.; Krishnamurthi, M.  aText book of heat  c1969  aEnglish20220125170153.0