61
62
63
Published in 1993
Repository
64
Published in 2010
Repository
65
66
67
Published in 2002
Repository
68
69
70
Published in 1991
Repository
71
Published in 2000
Repository
72
73
74
75
Published in 1998
Repository
76
Published in 1994
Repository
77
78
Published in 2003
Repository
79
by Peralta I., Eduardo; Vásquez G., José; Mora C., Eloy; Murillo I., Angel; Pinzón Z., José; Lépiz I., Rogelio
Published in 1994
Repository