000			00343nam a2200145Ia 4500
008			160615s9999 xx 000 0 und d
100			_aKOCK(Winston E)
245			_aSound waves and light waves
260			_b"Doubleday & Co. Inc.,"
260			_c1965
300			_aix p. + 165
942			_cBooks
999			_c10005 _d10005