Ah, yes, my mistake. And I wonder how that copyright works... it seems as though these guys: http://digital.ipcprintservices.com/publication/?i=34502&p=17 http:

Ah, yes, my mistake. And I wonder how that copyright works... it seems as though these guys: http://digital.ipcprintservices.com/publication/?i=34502&p=17 http://digital.ipcprintservices.com/publication/?i=34502&#38... used the method for their project, although I don't think they made any money off of it. That article also describes Colley's matrix very well.