41. | | Autor: Ryan, Chris Coautor: ; Sterling, Libby | |
42. | | Autor: Evans, Simon | |
43. | | Autor: Meyer, Judith L. | |
44. | | Autor: Al-Saghier, Omar | |
45. | | Autor: Andajani, Sri Coautor: ; Kusumawardhani, Listya | |
46. | | Autor: Goodwin, Harold J. Coautor: ; Roe, Dilys | |
47. | | Autor: Chiffaut, Alain | |
48. | | Data Publicação: 1991 COTA(S): 6966 | |
49. | | Autor: Lee, Choong-Ki Coautor: ; Han, Sang-Yoel | |
50. | | Autor: Hall, Michael C. Coautor: ; Piggin, Rachel | |