13. | | Autor: Edelheim, Johan R. | |
14. | | Autor: Ribeiro, Nuno | |
15. | | Autor: Peris Beamonte, Alfredo | |
16. | | Autor: Coshall, John T. | |
17. | | Autor: Peláez, Luis Valdés Coautor: ; Fernández, Ramón Martín Conejo, Rosa Aza | |
18. | | Autor: Alegre, Joaquín Coautor: ; Garau, Jaume | |
19. | | Autor: Croes, Robertico R. | |
20. | | Autor: Magnini, Vincent P. Coautor: ; Crotts, John C. Zehrer, Anita | |
21. | | Autor: Smeral, Egon | |
22. | | Autor: Stepchenkova, Svetlana Coautor: ; Kirilenko, Andrei P. Morrison, Alastair M. | |
23. | | Autor: Zyl, Cinà Van | |
24. | | Autor: Charles, Jacky S. Coautor: ; Jr, Thomas M. fullerton | |