000 00294nam a2200133Ia 4500
008 170324s9999 xx 000 0 und d
082 _a551.136
100 _a"Belderson, R.H."
245 0 _aSonographs of the sea floor
260 _bElsevier
260 _c1972
365 _b0.00
942 _cBK
999 _c5144
_d5144