000			00380nam a2200157Ia 4500
008			160615s9999 xx 000 0 und d
100			_aBULLEN(K E)
245			_aIntroduction to the theory of seismology
260			_aCambridge
260			_bCambridge University Press
260			_c1947
300			_axiv p. + 276
942			_cBooks
999			_c9520 _d9520