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1by Galarza, C. Mario, Akiyama, Ángel, Franco, Alejandro, Contreras, Gladys de, Noriega, Irma de
Published 1988Article bibliotecaUMSA BO -
2by Galarza, Mario, Vargas, Enrique, Spielvogel, Hilde, Peñaloza, Rosario, Contreras, Gladys de, Rodríguez, Armando, Gutiérrez, Nancy
Published 1990Article bibliotecaUMSA BO