Firenze, Leo S. Olschki 1990 xlii + 350pp., 26cm., in the series "Unione Accademica Nazionale. Corpus Philosophorum Medii Avi. Testi e studi" vol.10, copy from the library of the Belgian medievalist Raymond Macken with his signature, softcover, most pages uncut, very good condition, ISBN 88-222-3666-1, F75102