Author:  Apostolos Beligiannis
Address: Department of Mathematics, 
         University of the Aegean
         82300 Karlovassi, Samos,
         Greece. 
Article: ''On the Freyd Categories of an Additive Category''

Published in: Homology, Homotopy and Applications,
              Vol. 2 (No.11) (2000), pp. 147-185.

Revised version of the paper with the same title, submitted to the
Archive in April 1998.