Most of the references I found on my own, but I must give due credit to the members of In particular, I am indebted to Jim Richard, Steve Marinucci, Shannan Carnes, Caroline Balke, Ronson Slagle, Mark Ingebretson, M Patterson, Monty Montomery, Jonas Karlsson, Daniel Hadad, Roger K Adams, Scott Allison, Scott Chatfield, Jim Richard, Federico Giacanelli, Cortne Doane, Dave Haber and Lawrence P. Santoro.