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- Burt, A.M. (author) other 1991
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- Pauley, C.J. (author) other 1991
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- Maclennan, F. (author), Shaw, R. (author) other 1991
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- Tomlin, R.J. (author), Warsop, J.C. (author) other 1991
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- Boddington, E.H. (author) other 1991
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- Bowker, M.A. (author) other 1991
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- Schriek, D. (author), de Nijs, J.W. (author) other 1991
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- Patten, R.B. (author), Venter, K.V. (author) other 1991
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- Martil, R. (author), Bright, C. (author), Tomlinson, C. (author) other 1991
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- Estdale, J.F. (author) other 1991
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- Sjoberg, Harry (author) other 1991
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- Dagestad, Sjur (author), Holdo, Arne Erik (author) other 1991
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- Hill, R.C.F. (author) other 1991
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- Goodridge, R.A. (author) other 1991
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- Keddie, A. (author) other 1990
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- Nicholas, D.G. (author) other 1990
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- Le Cheminant, P. (author) other 1990
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- Hopkins, J.S. (author) other 1990
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- Hammersley, P.G. (author) other 1990
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- Heap, R.D. (author), Scrine, G.R. (author) other 1990