00519nam a2200157Ia 4500003000900000008004100009040001600050100002300066245010400089260003500193300001000228650002200238942000700260999001500267952007900282IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  aKeen, A. W.910570 4aThe principles of television receptioncA. W. Keen                                                   aLondonbSir Isaac Pitmanc1949  a319p.  aTelevision910571  cBK  c6104d6104  00104070aBANbKAVcGENd1979-01-05l0p6815r2021-11-05w1979-01-05yBK