61. | | Autor: Soo, Hyun Jun Coautor: ; Holland, Stephen M. | |
62. | | Autor: Myunghwa, Kang Coautor: ; Gretzel, Ulrike | |
63. | | Autor: Zehrer, Anita Coautor: ; Crotts, John C. Magnini, Vincent P. | |
64. | | Autor: Pulido-Fernández, Juan Ignacio Coautor: ; Sáez Cala, Antonia Figueroa Domecp, Cristina | |
65. | | Autor: Vogt, Christine A. | |
66. | | Autor: Pan, Steve Coautor: ; Tsai, Henry Jinsoo, Lee | |
67. | | Autor: Marrocu, Emanuela Coautor: ; Paci, Raffaele | |
68. | | Autor: Tribe, John Coautor: ; Xiao, Honggen Chambers, Donna | |
69. | | Autor: Gombault, Anne Coautor: ; Derbaix, Maud | |
70. | | Autor: Woojin, Lee Coautor: ; Gretzel, Ulrike Law, Rob | |