found: His The economic cost of the "internal" brain drain, 1976:t.p. (Sebastian Piñera, consultant)
found: Los 100 eventos de la historia de Chile, c1990:t.p. verso (Sebastián Piñera E.; prof. of economics at U. Católica [Chile]) p. 7 (Sebastián Piñera Echenique)
found: Sebastián Piñera, 2009:t.p. (Sebastian Piñera) p. 21, etc. (B. 12-01-1949; Sebastián Piñera Echenique)
found: Wikipedia WWW site, Feb. 27, 2015:article page (Sebastián Piñera; born December 1, 1949; served as President of Chile from March 11, 2010-March 11, 2014)
