61
Published in 2004
Repository
62
63
by Samaniego Arguello, Servio Tulio; Guerra, P.; Peralta I., Eduardo; Báez Cevallos, Francisco Javier; Mazón, Nelson
Published in 2015
Repository
64
65
66
67
Published in 2004
Repository
68
Published in 1992
Repository
69
Published in 1991
Repository
70
71
72
Published in 2014
Repository
73
Published in 2001
Repository
74
75
76
77
by Peralta I., Eduardo; Murillo I., Angel; Mazón, Nelson; Rodríguez Ortega, Diego Geovanny; Pinzón Z., José
Published in 2012
Repository
78
Published in 2011
Repository
79
Published in 2004
Repository
80