Free Models These are card models I have designed, and may be downloaded for your personal enjoyment. You can either print them yourself or (in some cases) purchase a pre-printed kit from Paper Models International. To print your own mode
Y. Simmhan, und K. Gomadam. International Provenance and Annotation Workshop (IPAW), Volume 6378 von Lecture Notes in Computer Science (LNCS), Seite 298--300. Springer Berlin / Heidelberg, (2010)