Harrison, Harry. "Down to Earth"
Summary: An accident apparently sends two astronauts sideways to an Earth where World War II is still dragging on in 1971.
Published: In Amazing, November 1964; and Prime Number, Berkley/Medallion 1970, Sphere 1975.
Original in: English.
Translation: German by Norbert Woelfl as "Zurück zur Erde", in Primzahl, Goldmann 1972 (3442231434).