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Studiengruppe zur Erforschung und Edition Historischer Volksmusikquellen. International Folk Music Council Suppan, Wolfgang (1933-) Mauerhofer, Alois 1978
Ruiz, Irma (1938-) García, Miguel A .Miguel Angel Asociación Argentina de Musicología .Conferencia .1993 : Buenos Aires, Argentina Instituto Nacional de Musicología "Carlos Vega 1995
Inter-American seminar of composers List, George (1911-...) Orrego-Salas, Juan (1919-...) Research center in anthropology, folklore and linguistics .Bloomington, Ind 1967