@book { DasPlanetenNetz14300MillionenLichtjahreentfernt, title = "Das Planeten-Netz 14: 300 Millionen Lichtjahre entfernt", author = "Wilfried A. {Hary}", year = "2020", publisher = "Uksak E-Books", address = "Lengerich, Deutschland", url = "https://uksakebooks.grin.com/document/538941" }