Enlace Permanente
https://bdu3.siu.edu.ar/bdu/Record/paper:paper_00221147_v50_n3_p697_GONZALEZ%C3%83%C2%A2%C3%82%C2%80%C3%82%C2%90SANGUINETTI
https://bdu3.siu.edu.ar/bdu/Record/paper:paper_00221147_v50_n3_p697_GONZALEZ%C3%83%C2%A2%C3%82%C2%80%C3%82%C2%90SANGUINETTI