21
Published in 1991
Repository
22
23
24
Published in 1998
Repository
25
Published in 1994
Repository
26
Published in 2004
Repository
27
Published in 1998
Repository
28
by Peralta I., Eduardo; Murillo I., Angel; Mazón, Nelson; Rodríguez Ortega, Diego Geovanny; Pinzón Z., José
Published in 2012
Repository
29
Published in 1988
Repository
30
31
by Mazón, Nelson; Peralta I., Eduardo; Murillo I., Angel; Falconí-Castillo, Esteban; Monar B., Carlos; Subía G., Cristian; Estrella Sandoval, Ana Paola; Pinzón Z., José
Published in 2007
Repository
32
Published in 1991
Repository
33
34
Published in 1991
Repository
35
Published in 1992
Repository
36
Published in 2009
Repository
37
38
Published in 1992
Repository
39
40