000			00311nam a2200121Ia 4500
001			123475
008			170722s9999 xx 000 0 und d
100			_aTyras, George
245			_aRadiation and propagation of electromagnetic waves. /
260			_c1969.
490			_aEletrical science series.
942			_cGEN
999			_c75780 _d75780