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1by Abarzúa C,Fernando, Pérez C,Carlos, Callejas C,Claudio, Cyr Jombi,Jean, Vandercam,Bernard
Published 2004Digital revistaSCIELO -
2by Abarzúa C,Fernando , Nuñez V,Felipe , Hubinont,Corinne , Bernard P,Pierre , Yombi ,Jean Cire, Vandercam,Bernard
Published 2005Digital revistaSCIELO