Publication Type:Journal Article Year of Publication:2003 Authors:M. L. M. & J. J. Carlón, L. Journal:Bol. Ci. Naturaleza R.I.D.E.A.Bol. Ci. Naturaleza R.I.D.E.A. Volume:48 Pagination:77-110 Add new commentGoogle ScholarBibTeXRTFMARCEndNote XMLRIS