TRB Pubsindex
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1977
SHIELD-DRIVEN TUNNELS WITH OR WITHOUT COMPRESSED AIR

Transportation Research Board Special Report, Issue 171, pp 14-15

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1977
MACHINE TUNNELING

Transportation Research Board Special Report, Issue 171, pp 8-9

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1970
DESIGN OF TUNNEL SUPPORT SYSTEMS

Highway Research Record, Issue 339, pp 26-33

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1951-08
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