Designing an Integrated Digital Library Framework to Support Multiple Heterogeneous Collections. - George Pyrounakis; Kostas Saidis; Mara Nikolaidou; Irene Lourdi (ECDL, 2004)

On the Effective Manipulation of Digital Objects: A Prototype-Based Instantiation Approach. - Kostas Saidis; George Pyrounakis; Mara Nikolaidou (ECDL, 2005)

Introducing Pergamos: A Fedora-Based DL System Utilizing Digital Object Prototypes. - George Pyrounakis; Kostas Saidis; Mara Nikolaidou; Vassilios Karakoidas (ECDL, 2006)

Digital Object Prototypes: An Effective Realization of Digital Object Types. - Kostas Saidis; George Pyrounakis; Mara Nikolaidou; Alex Delis (ECDL, 2006)

Digital Object Abstraction Layer: A Middleware for Building Federated Digital Libraries. - George Pyrounakis; Mara Nikolaidou; Michael Hatzopoulos (PDCCS, 2009)

Comparing Open Source Digital Library Software. - George Pyrounakis; Mara Nikolaidou (Handbook of Research on Digital Libraries, 2009)

Building Digital Collections Using Open Source Digital Repository Software: A Comparative Study. - George Pyrounakis; Mara Nikolaidou; Michael Hatzopoulos (Int. J. Digit. Libr. Syst., 2014)