xxii + 538 (approximate, based on standard citations of this volume)
The citation you are looking for refers to the proceedings of a significant scientific symposium held in Ioannina. The complete bibliographical information for the book is: xxii + 538 (approximate, based on standard citations
If you are following up on Constantinides' later work on this region, you may also find his 2018 collection, , useful as it compiles many of his specific research papers on the intellectual life of the area. xxii + 538 (approximate