1
2
3
4
Published in 1998
Repository
5
Published in 2004
Repository
6
7
8
Published in 1993
Repository
9
Published in 2002
Repository
10
Published in 1988
Repository
11
Published in 2010
Repository
12
Published in 2003
Repository
13
14
15
Published in 2003
Repository
16
Published in 1999
Repository
17
by Subía G., Cristian; Peralta I., Eduardo; Falconí-Castillo, Esteban; Pinzón Z., José; Mooney, Daniel; Swinton, Scott
Published in 2007
Repository
18
19
Published in 1992
Repository
20