00339nam a2200133Ia 45000030006000000080041000060400015000471000022000622450043000842600043001273000006001705460012001760050017001880STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aBarker Joseph, W.  aEncyclopedia os Science and Technology  bMc Graw hill; New Yorkc1977aNew York  a0  aEnglish20220125165812.0