000 00280nam a2200121Ia 4500
654 _aELN
100 _aKerhof.F. & Werner.W.
250 _a1st Ed.
245 _aTelevision.(1952).
260 _bPhilips Technical Library Netherlands
_c1956
082 _bKER
999 _c12429
_d12429
300 _c23 cm.
655 _aF-05
041 _aeng
546 _aText in English