GEI-Digital, conditions of use
In case of reproduction please cite the entire source reference (see below). Should any GEI Digital material be used on a website, please send us an e-mail containing a link to the corresponding page. We would appreciate being sent a copy of any academic publications in which GEI-Digital material is included.
GEI-Digital + image/title PURL (Persistent Uniform Resource Locator)
Example: GEI-Digital, http://gei-digital.gei.de/viewer/resolver?urn=urn:nbn:de:0220-gd-6230859