1
2
Published in 2012
Repository
3
Published in 1997
Repository
4
5
6
7
Published in 2008
Repository
8
9
Published in 1996
Repository
10
by Cuesta Subía, Hugo Xavier; Guevara, Govinda; Rivadeneira Ruales, Jorge Esteban; Castillo C., Carmen; Vera M., Gustavo; Trognitz, Bodo
Published in 2005
Repository
11
by Gallegos, Patricio; Castillo C., Carmen; Baez Cevallos, Francisco; Suquillo, Jovanny; Sevillano, Carlos; Asaquibay, César; Meneses, A.; Chulde, F.
Published in 2010
Repository
12
Published in 2011
Repository
13
Published in 2011
Repository
14
15
16
17
18
Published in 2011
Repository
19
Published in 2018
Repository
20