Journey to infinity travels in time /
Buttlar, Johannes von.
Sieveking, Olga.
[London] Fontana
1976
This translation originally published: as 'Journey into infinity'. London : Spearman, 1975. - Translation of: 'Reisen in die Ewigkeit'. Vienna : Econ, 1973
Bibliography: p.182-187. - Includes index
Parapsychology.