[no title]
Proceedings article published in 2000 by
R. Shirey,
W. Pietsch,
A. Read,
M. Freyberg,
A. Tiengo,
M. Ehle,
M. Cappi,
N. La Palombara,
S. Molendi,
W. Priedhorsky,
K. Borozdin,
K. O. Mason,
R. Soria,
Graziella Branduardi-Raymont 
,
A. Breeveld
and other authors.
,
A. Breeveld
and other authors.
