Particle Production in p-p and Heavy Ion Collisions at Ultrarelativistic   Energies
  Recent results related to the chemical equilibration of hadrons in the final state of p-p and heavy ion collisions are reviewed. 
J. Cleymans, S. Kabana, I. Kraus, H. Oeschler, K. Redlich, N. Sharma
hep-ph nucl-th