00319nam a2200121Ia 45000030006000000080041000060400015000471000022000622450062000842600022001465460012001680050017001800STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aLepage Wilbur, R.  aComplex variables and the laplace transform for engineers  bMcgraw hillc1961  aEnglish20220125170006.0