FastJet is written by 
M. Cacciari and G.P. Salam with contributions from G. Soyez
see http://www.lpthe.jussieu.fr/~salam/fastjet

Longitudinally invariant Kt, and inclusive Cambridge/Aachen clustering
using fast geometric algorithms, with area measures and optional external
jet-finder plugins. Please cite hep-ph/0512210 if you use this code.

This package uses T.Chan's closest pair algorithm, Proc.13th ACM-SIAM
Symp. Discr. Alg, p.472 (2002), S.Fortune's Voronoi algorithm and code
and CGAL: http://www.cgal.org/
