000			00381nam a2200157Ia 4500
008			160615s9999 xx 000 0 und d
100			_aMARTON(L) Ed.
245			_aAdvances in electronics and electron physics. Vol.20
260			_aNew York
260			_bAcademic Press
260			_c1964
300			_avii p. + 332
942			_cBooks
999			_c7082 _d7082