00271nam a2200121Ia 45000030006000000080041000060400015000471000028000622450021000902600009001115460012001200050017001320STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aBriggs, W.; Bryan, G.H.  aTutorial statics  c1943  aEnglish20220125170138.0