international work-group on graffiti-research http://www.graffiti.org/axel/index.html Axel Thiel(coordination) Kassel(Germany)graffiti-archive:20 000 documents data-bank:10 000(mostly autopsied)entries PERIODICAL:"Einfuehrung in die Grafitti-Forschung/introduction to graffiti-research"(Kassel 1983ff)27 vols. FREE access to students(so far:32 European) [log in to unmask]