000			00387nam a2200169Ia 4500
008			160615s9999 xx 000 0 und d
100			_aBULLEN(K E)
245			_aSeismology
260			_aLondon
260			_bMethuen
260			_c1954
300			_aviii p. + 132
440			_aMethuen's Monographs on Physical Subjects
942			_cBooks
999			_c9509 _d9509