1
Published in 2009
Repository
2
3
Published in 1995
Repository
4
5
6
Published in 1993
Repository
7
8
9
10
11
12
Published in 1992
Repository
13
by Cárdenas, A.; Grijalva O., Jorge; Morillo, Eduardo; Ramos Veintimilla, Raúl; Meneses Montesdeoca, Luis Santiago
Published in 2013
Repository
14
by Grijalva O., Jorge; Limongi, Ricardo; Arévalo Vizcaino, Venus; Vera, Roy; Quiroz, J.; Yumbo, A.; Jara, Fausto; Sigcha Morales, Franklin Anthony; Riofrío, José; Cerda, A.
Published in 2012
Repository
15
16
17
Published in 1986
Repository
18
Published in 1995
Repository
19
20