Inquiry into the basis of design and method of erection of steel box girder bridges : Interim report.
Committee of Inquiry into the Basis of Design and Method of Erection of Steel Box-Girder Bridges.
Merrison, Alexander Walter.
Great Britain.Department of the Environment.
London :  H.M.S.O., 
1971.
Chairman of committee: A. W. Merrison.
At head of title: Department of the Environment.