000 | 00295 a2200109 4500 | ||
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082 |
_a627.12 _bW52a |
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245 | 1 | _aANNUAL REPORT OF THE RIVER RESEARCH INSTITUTE | |
260 |
_a _b _c1961 |
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440 |
_aAnnual Report Of The River Research Institute _vPub. No.24 |
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964 | _gCIRC | ||
997 | _a34219 s C | ||
999 |
_c456068 _d456068 |