Publication Type:Journal Article Year of Publication:1982 Authors:D. G. C. T. E. & J. M. Fernández Prieto, J.A. Journal:Bol. Ci. Naturaleza I.D.E.A.Bol. Ci. Naturaleza I.D.E.A. Volume:30 Pagination:23-42 Add new commentGoogle ScholarBibTeXRTFMARCEndNote XMLRIS