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_a910.2855369 _bNAT _cD |
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_aT. R. B. N. R. C _943663 |
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| 245 | 0 | 0 | _aGeographic information systems 1990. |
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_aWashington, D.C. : _bTransportation Research Board, National Research Council, _c1990. |
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_av, 68 p. : _bill. ; _c28 cm. |
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| 490 | 1 | _aTransportation research record ; | |
| 500 | _a"Highway and facilities design." | ||
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_aGeographic information systems. _96117 |
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_aMCE _9379 |
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_aNational Research Council (U.S.). _920017 |
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