By Massey, B S, Ward-Smith, John
By French, A.P., Taylor, Edwin F.
By Breithaupt, Jim
By Finn, C.B.P.
By Keith Johnson
By Dobson, K., Roberts, Martin
By Rounce, J. F.
By Pinsent, Mark
By Lowe, T L, Rounce, J F J F, T L Lowe
By Ryan, Lawrie, Ellis, Peter, Macdonald, Averil
By Ross, Simon
By Ellse, Mark, Honeywill, Chris, Mark Ellse, Chris Honeywill
By Ellse, Mark, Honeywill, Chris
By J Breithaupt
By Mike Bowen-Jones, Ken Price
By Johnson, Keith
By Forbes, Darren, Ryan, Lawrie, Darren Forbes
By Open University Course Team
By Anon
By Unnamed
By Gleick, James