000			00390nam a2200145Ia 4500
008			220314s9999||||xx |||||||||||||| ||und||
080			_a621.3841
100			_aHellman, Charles I
245		0	_aElements of radio
250			_a3
260			_bD Van Nostrand Company, London _c1956
300			_a356
650			_aRadio engineering; Electronics engineering; Applied physics
942			_cBOOK
999			_c19735 _d19735