المؤلفون: Wülbern, Jan Hendrik, Hampe, Jan, Petrov, Alexander, Eich, Manfred, Luo, Jingdong, Jen, Alex K.-Y., Di Falco, Andrea, Krauss, Thomas F., Bruns, Jürgen, Wülbern, Jan Hendrik

الوصول الحر: https://www.europeana.eu/item/2048441/item_Q5SIHMBY2G544FRYWZIBMHYZRKNOOHOC?utm_source=api&utm_medium=api&utm_campaign=YuvuWBeCaTest

المؤلفون: Wülbern, Jan Hendrik, Prorok, Stefan, Hampe, Jan, Petrov, Alexander, Eich, Manfred, Luo, Jingdong, Jen, Alex K.-Y., Jenett, Martin, Jacob, Arne, Wülbern, Jan Hendrik

الوصول الحر: https://www.europeana.eu/item/2048441/item_ML3V7YGWTRS7LB6IAPO5E5KAIYYIL2LQ?utm_source=api&utm_medium=api&utm_campaign=YuvuWBeCaTest

المساهمون: Wülbern, Jan Hendrik, Petrov, Alexander, Eich, Manfred, Luo, Jingdong, Jen, Alex K.-Y., Di Falco, Andrea, Krauss, Thomas F., Hampe, Jan, Bruns, Jürgen

الإتاحة: http://nbn-resolving.de/urn:nbn:de:101:1-201505261756Test

المساهمون: Wülbern, Jan Hendrik, Prorok, Stefan, Petrov, Alexander, Eich, Manfred, Luo, Jingdong, Jen, Alex K.-Y., Jenett, Martin, Jacob, Arne, Hampe, Jan

الإتاحة: http://nbn-resolving.de/urn:nbn:de:101:1-201505261781Test