Francisco J. Oroz Arizcuren, Antonio Tovar, Eugenio Coseriu, Carlo De Simone: Navicula Tubingensis : studia in honorem Antonii Tovar. Gunter Narr, Tübingen 1984, ISBN 3-87808-230-4, S.202 (books.google.de).
Francisco J. Oroz Arizcuren, Antonio Tovar, Eugenio Coseriu, Carlo De Simone: Navicula Tubingensis : studia in honorem Antonii Tovar. Gunter Narr, Tübingen 1984, ISBN 3-87808-230-4, S.202 (books.google.de).