Congress Presentation
Speaker: Professor S. Anker (Berlin, DE)
Speaker: Professor G. Hasenfuss (Goettingen, DE)
Speaker: Doctor M. Chrissoheris (Athens, GR)
Speaker: Professor F. Maisano (Milan, IT)
Speaker: Doctor K. Spargias (Athens, GR) Professor S. Anker (Berlin, DE) Professor R. Von Bardeleben (Mainz, DE) Doctor M. Chrissoheris (Athens, GR) Professor F. Maisano (Milan, IT) Professor G. Hasenfuss (Goettingen, DE)