By Whitham, G. B.
By Crocker, Mj
By Morfey, Christopher
By Fowles, Grant R., Cassiday, G.L., George L.
By Snape, George, Rowlands, David
By Calero, Julian Simon
By Merkus, Henk G., Meesters, Gabriel M.H.
By Pokrovskii, Vladimir N.
By Petkov, Vesselin
By Yates, John G., Lettieri, Paola
By Thornton, Colin
By Dagan, Gedeon, Hornung, Ulrich, Knabner, Peter
By Swallowe, G.M.
By Guenault, Tony
By Frè, Pietro Giuseppe
By Soare, Mircea, Teodorescu, Petre P., Toma, Ileana
By van der Zwaag, Sybrand
By Guenault, A.M.
By Mazhar, Zeka
By Vos, Roelof, Farokhi, Saeed
By Mauri, Roberto
By Theofilis, Vassilis, Soria, Julio
By Morel, Christophe
By Chen, Zengtao, Butcher, Cliff
By Byskov, Esben
By Denier, James P., Finn, Matthew D.
By Obodan, Natalia I., Lebedeyev, Olexandr G., Gromov, Vasilii A.