We permit to use any resources (images, etc.) on rqube.seifseit.de for personal use only! If you intend to use these data for other purposes (especially the publication in public web sites) requires written consent.
Please do not send us enquires concerning advertising, marketing, link exchange, etc.
We would like to thank anyone who helped to improve rqube.seifseit.de. Feedback is the basis of all learning. We appreciate that.