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By Hill, Christopher
By Samuels, J.M., Wilkes, F.M.
By Jeffrey, Alan
By Leaver, Keith D., Leaver, K. D.
By Warn, J.R.
By Massey, B. S.
By Joule, John A., Smith, G. F.
By Fuller, Gordon
By Dunstan, S.
By Curle, Newby
By Coffer, William E.
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By Mendelson, Elliott
By Higgins, P. J.
By Shaw, Elizabeth M.
By Curle, Newby, Davies, Hubert John
By Blevins, Robert D.
By Laury, Jean Ray, Aiken, Joyce
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By Nea, Sara
By Gere, James M., Timoshenko, Stephen P.
By Barra, G. de
By T.A. Littlefield, N. Thorley, Littlefield, T.A., Thorley, N.
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By Pascoe, K.J.