000 00285pam a2200133a 44500
082 _a624.19
_bH185t
100 _aHammond, Rolt
245 1 _aTUNNEL ENGINEERING
260 _aLondon
_bHeywood
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300 _a332
650 _aTunnelling
964 _gCIRC
997 _a17163 C
999 _c437012
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