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_223 _a624.1834 _bSEM |
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| 245 |
_aSeminar on concrete technology in tunnelling _c/ organized by the organizing committee, Singapore, 2 September 1983 |
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| 260 |
_aSingapore _bSingapore Concerte Institute _c1983 |
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_9105553 _aSteel-Building construction |
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