00281nam a2200121Ia 45000030006000000080041000060400015000471000017000622450029000792600022001085460012001300050017001420STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aHutson, G.H.  aColour television theory  bMcgraw hillc1971  aEnglish20220125170110.0