Search the CONFOCAL archive at
http://listserv.acsu.buffalo.edu/cgi-bin/wa?S1=confocal
There was also a recent review of co-localization methods that may be helpful.
A guided tour into subcellular colocalization analysis in light microscopy
* S. BOLTE* *Plateforme d'Imagerie et de Biologie Cellulaire, IFR 87 'la
Plante et son Environnement', Institut des Sciences du Végétal, Avenue de la
Terrasse, 91198 Gif-sur-Yvette Cedex, France &
* F. P. CORDELIÈRES†
http://www.blackwell-synergy.com/doi/abs/10.1111/j.1365-2818.2006.01706.x