Schmidt, Donatella. 1991. Do you have an opy? Politics and identity among the Mbyá-Guaraní of Argentina and Eastern Paraguay. (Doctoral dissertation, Indiana University (UMI 9134828)).
@phdthesis{33323, author = {Schmidt, Donatella}, school = {Indiana University (UMI 9134828)}, title = {Do you have an opy? Politics and identity among the Mbyá-Guaraní of Argentina and Eastern Paraguay}, year = {1991} }