1. Proc. Workshop on Local Equilibrium in Strong Interaction Physics (LESIP 1), Bad Honnef, Germany, 1984;Goldhaber,1985
2. S. Haywood, Rutherford Appleton Laboratory, RAL-94-074 (1994)
3. Proc. XXVII Int. Conf. on High-Energy Physics, Glasgow, UK, 1994;De Wolf,1995
4. Proc. of the 19th Int. Symp. on Multiparticle Dynamics, ISMD 99;Alexander,1999