TheOxford folded tandem H.R. Mc K. Hyder, P.J.S. Bromley-Barratt, T.R. Brock, G. Doucas, T.J.L. Greenway, A.R. Holmes, G.M. Parker and J. Takacs Rev. Phys. Appl. (Paris), 12 10 (1977) 1331-1335 DOI: 10.1051/rphysap:0197700120100133100
