By Grundy, Peter, Maley, Alan
By Ahn, Peter Martin
By Ivens, G.W.
By Gibbon, D., Pain, Adam
By Laogun, E
By World Bank
By Reader's Digest
By Moore
By Kerr, Denny
By Williams, Michael, David
By Neville, Jayne
By William Howarth, C.P. Rodgers
By Bentley, Nicolas, Slater, Michael, Burgis, Nina
By Pearce, Fred
By Pozharskii, A.F., Soldatenkov, Anatoly T., Katritzky, Alan R.
By Thirsk, Joan
By Bathurst, Bella
By Manners, Jane
By Barker, Stephen
By Christopher St. John Yates
By Bollig, Michael, Schnegg, Wotzka, Hans-Peter
By Okorie, J U
By Coulter, Jim, etc.
By Margaret Redfern, R.R. Askew
By Robin Birch
By David R. Harris, Gordon Hillman
By Credland, Arthur G
By Buckle, Catherine
By Lloyd, Richard
By Okali, Christine, Sumberg, James, Farrington, John