00279nam a2200121Ia 45000030006000000080041000060400015000471000016000622450041000782600009001195460012001280050017001400STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aDatta, B.K.  aPractical guide to library procedure  c1956  aEnglish20220125160221.0