By Achim Klenke
By Alan C. Acock (Oregon State University, Corvallis, USA)
By Darren Macey, Will Hornby
By Brian Gaulter, Mark Gaulter, Tony Dearman, Graham Upton, Ian Cook, Brian Jefferson
By Roger Williamson, Gill Buque, Jim Miller, Chris Worth
By Hugill, Michael
By Coleman, Rodney
By Scheaffer, R.L., Mendenhall, W., et al
By Harper, W.M.
By Jarrell, Stephen B.
By D. Cooke, A. H. Craven, G. M. Clarke, Cooke, D., Craven, A. H., Clarke, G. M.
By Barks, Robert A.
By Holmes, Debbie, Moody, Peter, Dine, Diana
By Mansfield, Edwin
By Box, George E. P., Hunter, J. Stuart, William G.
By Howell, David C.
By Devlin, Bernie
By Webster, Allen
By Peat, Jennifer
By Rice, John A.
By Kennedy Gavin
By Guy, Will, Levitas, Ruth
By Marti, Kurt, Kall, Peter
By Howitt, Dr Dennis, Cramer, Prof Duncan
By Barrow, Michael
By Will Kurt
By Carver, Robert
By Lind, Douglas A., Marchal, William G., Wathen, Samuel A.
By Froberg, Carl-Erik
By Jackel, Peter, Jaeckel