61. | | Autor: Denvir, Ann Coautor: ; McMahon, Frank | |
62. | | Autor: Crawford-Welch, Simon Coautor: ; McCleary, Ken W. | |
63. | | Autor: Cummings, Leslie E. | |
64. | | Autor: Vest, Jusanne M. Coautor: ; Murrmann, Suzanne K. | |
65. | | Autor: Carrato, Marta García | |
66. | | Autor: Vila, Mabel | |
67. | | Autor: Picos, Susana | |
68. | | Autor: Vila, Mabel | |
69. | | Autor: Leal, Humberto | |
70. | | | |