00277nam a2200121Ia 45000030006000000080041000060400015000471000036000622450019000982600009001175460012001260050017001380STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aMagnus Wilhelm; Winkler Stanley  aHills Equation  c1979  aEnglish20220125170029.0