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_c37921 _d37921 |
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| 041 | _aEN | ||
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_a627.81 _bSPR _223 |
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| 245 |
_aSprayed concrete linings (Natm) for Tunnels in soft ground _b: ICE design and practice guide |
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| 260 |
_aLondon _bThe Institute of Civil Engineers _c1997 |
||
| 300 | _ax, 88 p. | ||
| 509 | _aNS | ||
| 650 | _aSprayed concrete structural elements | ||
| 942 | _cS | ||