12241
by Delgado, H.,; Gusniay, Bernardo; Cabascango, T.; Guillas, J.; Ulquiango, J.; Suárez-Duque, David; Tapia B., César; Naranjo Quinaluisa, Edwin Jesús
Published in 2017
Repository
12242
Published in 2014
Repository
12243
12244
12245
12246
Published in 1982
Repository
12247
by Guerrero Castillo, Hilton Ecuador; Duicela Guambi, Luis; Amores Puyutaxi, Fredy Marcelo; Corral, Rubén; Zambrano Mendoza, José Luis
Published in 2004
Repository
12248
Published in 2007
Repository
12249
12250
12251
Published in 1980
Repository
12252
12253
12254
12255
12256
Published in 2016
Repository
12257
Published in 2003
Repository
12258
12259
Published in 1963
Repository
12260