@book { StraeinsAll21ImOrbitderWstenwelt, title = "Straße ins All 21: Im Orbit der Wüstenwelt", author = "Wilfried A. {Hary}", year = "2020", publisher = "Uksak E-Books", address = "Lengerich, Deutschland", url = "https://uksakebooks.grin.com/document/979604" }