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_a551.468 _bYOS |
| 100 | 0 | _aYoshio Narumi | |
| 245 | 1 | 0 |
_aMarine aggregate mining technologies and relevant information _b(references for CCOP conference) _cYoshio Narumi |
| 260 | _c1997 | ||
| 300 |
_a12 p. _bill. _c30 cm |
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| 650 | 0 | _aSubmarine geology | |
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_c20206 _d20206 |
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