49. | | Autor: Wall, Eileen A. Coautor: ; Berry, Leonard L., co-autor | |
50. | | Autor: Gupta, Sachin Coautor: ; McLaughlin, Edward Gomez, Miguel | |
51. | | Autor: Susskind, Alex M. Coautor: ; Kcamar, K. Michele Borchgrevink, Carl P. | |
52. | | Autor: Ryan, Chris Coautor: ; Huimin, Gu, co-autor | |
53. | | Autor: George, Babu P. | |
54. | | Autor: Boiteux, Bayard Do Coutto Coautor: ; Rita, Paulo Aguas, Paulo | |
55. | | Autor: Tarlow, Peter E. | |
56. | | Resp- Sec.: Mayer, Karl J. Johnson, Lesley Hu, Clark Chen, Sean | |
57. | | Autor: Font, Xavier Coautor: ; Cochrane, Janet Co col. autor sec.: United Nations Environment Programme | |
58. | | Col.autor: Associação de Turismo de Lisboa Co col. autor: Roland Berger & Partner | |
59. | | Autor: Weaver, Pamela A. Coautor: ; Weber, Karin, co-autor McCleary, Ken W., co-autor | |
60. | | Autor: So, Yon Lee Coautor: ; Petrick, James F., co-autor Crompton, John, co-autor | |