D. Sakkas

Extracting the chiral anomaly from γπ→ππ

M. Hoferichter, B. Kubis, D. Sakkas, 2012, 1210.6793.

The European observatory for small and medium-sized enterprises : research environment and innovation in Greek manufacturing

D. Sakkas, Elena S. Spyropoulou, 1995 .

The IMAGE Observatory

Ronnie Killough, S. J. Housten, F. A. Volpe, 2000 .