-
1by Ossandon C,Francisco, Reinoso S,Sergio, Krebs W,Claus, Martinez D,Gabriel, Giuliano B,Arrigo
Published 1987Digital revistaSCIELO -
2by Ossandón C,Francisco, Acuña L,Renato, Sirebrenik C,Sonia, Krebs W,Claus, Bravo A,Ingrid
Published 1992Digital revistaSCIELO -
3by Krebs W,Claus, Floras V,Guillermo, Bravo R,Iván, Antonieta Cruz F,María, Sepúlveda M,Rodolfo, Rojas F,Susana
Published 1988Digital revistaSCIELO