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1988 “Uso y abuso de datos primarios en la investigación lingüística” in Notas y noticias lingüísticas X:1, Agosto p 3 (fragmento). La Paz, Bolivia: INEL /
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1983 “A THOUSAND AND ONE YEARS OF THE SPANISH LANGUAGE” Quarterly Journal of the Library of Congress, Fall 1983, Pp.343-355

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1976 ACTAS DEL XXV CONGRESO ANUAL LATINOAMERICANO “LOS AUTOCTONOS AMERICANOS OPINAN” Editor. State University Presses
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