1
2
Published in 2004
Repository
3
Published in 1993
Repository
4
5
Published in 2004
Repository
6
7
Published in 2002
Repository
8
9
10
11
Published in 2002
Repository
12
Published in 1988
Repository
13
Published in 2010
Repository
14
15
16
by Murillo I., Angel; Peralta I., Eduardo; Mazón, Nelson; Rodríguez Ortega, Diego Geovanny; Pinzón Z., José
Published in 2010
Repository
17
18
Published in 2011
Repository
19
Published in 1993
Repository
20