1
2
Published in 2010
Repository
3
4
5
Published in 2004
Repository
6
Published in 2010
Repository
7
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9
by Mazón, Nelson; Peralta I., Eduardo; Murillo I., Angel; Falconí-Castillo, Esteban; Monar B., Carlos; Subía G., Cristian; Estrella Sandoval, Ana Paola; Pinzón Z., José
Published in 2007
Repository
10
11
12
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14
Published in 1999
Repository
15
Published in 2010
Repository
16
by Cruz, Elena; Barrera, Víctor Hugo; Monar B., Carlos; Escudero, Luis; Montúfar, Carlos; González, David
Published in 2008
Repository
17
18
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20