21
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Published in 2009
Repository
25
Published in 2005
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30
Published in 2011
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35
Published in 2013
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38
Published in 2000
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39
40
by Vélez Navarrete, Arístides Rodrigo; Valverde, Franklin; Montesdeoca, Fabián; Alvarado Ochoa, Soraya Patricia; Kromann, Peter
Published in 2012
Repository