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1Digital revistaALPA
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2by Chase, C. C., Hammond, Andrew C., Olson, Timothy A., Murphy, C. N., Tewolde, Assefaw, Griffin, J. L.
Published 2005Digital revistaALPA -
3by Chase, Jr,Chad C, Vargas,Carlos A, Hammond,Andrew C, Olson,Timothy A, Griffin,James L, Murphy,Clifton N, Tewolde,Assefaw, Fields,Michael J
Published 2009Digital revistaSCIELO -
4