21
Published in 1999
Repository
22
by Monteros J., Cecilia; Yumisaca, Fausto; Tello Torres, Cristina Margarita; Montesdeoca, Luis; Reinoso R., Iván A.; Garófalo, Javier; Carrera, Efrén; Andrade-Piedra, Jorge; Cuesta Subía, Hugo Xavier
Published in 2011
Repository
23
24
Published in 2007
Repository
25
26
Published in 2012
Repository
27
28
Published in 2010
Repository
29
Published in 1985
Repository
30
31
32
33
Published in 1985
Repository
34
Published in 2010
Repository
35
Published in 1998
Repository
36
37
Published in 2010
Repository
38
by Cuesta Subía, Hugo Xavier; Monteros J., Cecilia; Montesdeoca, Fabián; Unda Galarza, José Reinaldo; Carrera, Efrén; Yumisaca, Fausto; Reinoso R., Iván A.; Yánez Navarrete, Zoila Elizabeth
Published in 2011
Repository
39
Published in 2011
Repository
40