@book { UndercoverMissionThriller, title = "Undercover Mission: Thriller", subtitle = "Cassiopeiapress Spannung", author = "Alfred {Bekker} and Henry {Rohmer}", year = "2019", publisher = "Uksak E-Books", address = "Lengerich, Deutschland", url = "https://uksakebooks.grin.com/document/294098" }