000			00327nam a2200121Ia 4500
005			20251007104342.0
008			251006s9999 xx 000 0 und d
100			_asonographs of the sea floor.
245		0	_asonographs of the sea floor. belderson,r.h.
260			_a1st ed. | Amestrdam Elsevier
260			_c1972
942			_cBOK
999			_c5421 _d5421