By Vamplew, Wray, Stoddart, Brian
By Nattiez, Jean-Jacques, Puffett, Derrick
By Frommer, Benjamin
By Beddow
By Richards, P. W.
By Hegel, Georg Wilhelm Fredrich
By Woodford, Susan
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By Singer, Peter
By Webster, Paul
By Gilliam, Bryan
By Jackson, Andy
By Fornara, Charles W.
By Doff, Adrian, Jones, Christopher
By Butler, Paul, Mitchell, Adam, Ellis, Harold
By Bradley, Mike
By N/A
By Gilbert, G
By Choi, Jinho
By School Mathematics Project
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By Bell, Peter R.
By Wild, Alan
By Townsend, A. A.
By Banaszkiewicz, Paul A.
By Charnley, John
By Stallworthy, Jon