American Underground Construction Association. Technical Committee on Backfilling and Contact Grouting of Tunnels and Shafts & Henn, R. W. (2003). AUA guidelines for backfill and contact grouting of tunnels and shafts / edited by Raymond W. Henn, prepared by Technical Committee on Backfilling and Contact Grouting of Tunnels and Shafts of the American Underground Construction Association. Thomas Telford.
Chicago Style (17th ed.) CitationAmerican Underground Construction Association. Technical Committee on Backfilling and Contact Grouting of Tunnels and Shafts and Raymond W. Henn. AUA Guidelines for Backfill and Contact Grouting of Tunnels and Shafts / Edited by Raymond W. Henn, Prepared by Technical Committee on Backfilling and Contact Grouting of Tunnels and Shafts of the American Underground Construction Association. London: Thomas Telford, 2003.
MLA (9th ed.) CitationAmerican Underground Construction Association. Technical Committee on Backfilling and Contact Grouting of Tunnels and Shafts and Raymond W. Henn. AUA Guidelines for Backfill and Contact Grouting of Tunnels and Shafts / Edited by Raymond W. Henn, Prepared by Technical Committee on Backfilling and Contact Grouting of Tunnels and Shafts of the American Underground Construction Association. Thomas Telford, 2003.