By Newson, Lesley
By Walpole, Brenda, Tinkler, Dennis, Fairclough, Chris, Fairclough, Chris
By Smith, T., etc., Tear, Carol, Yate, Alan
By Akrill, T.B., etc., Bennett, G. A. G., Millar, Christopher John
By Hall, Terry B.
By Akrill, T.B., etc., Bennet, George Arthur Grey, Millar, Christopher John
By Feasey, Rosemary, Goldsworthy, Anne, Stringer, John, Phipps, Roy
By Feasey, Rosemary
By Fielden, Sally, Wellington, J. J.
By ILEA Chemistry Project Team
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By Ramsden, Eileen
By Swift, Digby G.
By Horsey, M.P.