By Torenbeek, E., Wittenberg, H.
By Kruckenberg, T., Paton, R.
By Saxena, Anupam, Sahay, Birendra
By Guiggiani, Massimo
By Toda, Kimio, Salazar, Abraham, Saito, Kozo
By Fijalkowski, B. T.
By Periaux, Jacques, Gonzalez, Felipe, Lee, Dong Seop Chris
By Genta, Giancarlo, Morello, L.
By Sander, Manuela
By Genta, Giancarlo, Morello, Lorenzo, Cavallino, Francesco, Filtri, Luigi
By Torenbeek, E.
By Liyong Tong, Soutis, C.
By Eberhardsteiner, Josef, Hellmich, Christian, Mang, Herbert A., Periaux, Jacques
By Camanho, Pedro P., Davila, C. G., Pinho, S. T., Remmers, J. J. C.
By Hall, Kenneth C., Kielb, Robert E., Thomas, Jeffrey P.
By Booth, Gavin
By Faith, Nicholas
By Neville, Steve, Freeman, Pat
By Kelly, Maurice A., Stimson, Peter, etc.
By Brendon, Dr. Piers
By Long, Brian
By Clarkson, Jeremy
By Abrate, Serge
By Mark Coombs, Spencer Drayton
By Hugo Wilson
By J. H. Haynes, D. H. Stead