Becken W, Schmelcher P, Diakonos FK.
The helium atom in a strong magnetic field. JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS. 1999;32(6):1557 - 1584.
Antoniou NG, Contoyiannis YF, Diakonos FK.
The critical point in QCD and pion fluctuations in heavy ion collisions. NUCLEAR PHYSICS A. 1999;661(14th International Conference on Ultra-Relativistic Nucleus-Nucleus Collisions):399C - 402C.