@book { DasErbederAltairerScienceFiction, title = "Das Erbe der Altairer: Science Fiction", author = "Alfred {Bekker} and W. A. {Hary}", year = "2019", publisher = "Uksak E-Books", address = "Lengerich, Deutschland", url = "https://uksakebooks.grin.com/document/369083" }