00288nam a2200121Ia 45000030006000000080041000060400015000471000026000622450040000882600009001285460012001370050017001490STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aJugal Kishore Agarwal  aPracticals in engineering chemistry  c1976  aEnglish20220125170225.0