المؤلفون: Hofmann, Klaus, Jakoby, Rolf, Ning, Jing, http://data.europeana.eu/agent/base/77774Test
الوصول الحر: https://www.europeana.eu/item/2048441/item_56LHADZ7T6ER3B2TWZQ7ETPGL3S4GGLL?utm_source=api&utm_medium=api&utm_campaign=YuvuWBeCaTest
المؤلفون: Ning, Jing
المساهمون: Jakoby, Rolf, Hofmann, Klaus
الإتاحة: http://nbn-resolving.de/urn:nbn:de:tuda-tuprints-54532Test