21. | | Autor: Caiping, Wang Coautor: ; Honggang, Xu COTA(S): RE-1193 | |
22. | | Autor: Hyman, Tracy-Ann COTA(S): RE-916 | |
23. | | COTA(S): RE-1775 | |
24. | | Autor: Kaján, Eva COTA(S): RE-1775 | |
25. | | Autor: McGehee, Nancy G. Coautor: ; Kline, Carol Knollenberg, Whitney COTA(S): RE-1253 | |
26. | | Autor: Seel, Véronique Coautor: ; Chamard, Camille COTA(S): RE-410 | |
27. | | Autor: Porter, Brooke A. Coautor: ; Orams, Mark B. COTA(S): RE-1830 | |
28. | | Autor: Xue, Lan Coautor: ; Kerstetter, Deborah L. Buzinde, Christine N. COTA(S): RE-1193 | |
29. | | Autor: Benito, Bernardino Coautor: ; Solana, José López, Pilar COTA(S): RE-1822 | |
30. | | Autor: Neto, Raquel Relvas COTA(S): RP-381 | |