Chiral invariant phase space event generator - I. Nucleon-antinucleon annihilation at rest P. V. Degtyarenko, M. V. Kossov and H. -P. Wellisch Eur. Phys. J. A, 8 2 (2000) 217-222 Published online: 15 June 2000 DOI: 10.1007/s100500070108