Formula 695
By: by Denis Hughes
Publisher: Curtis Warren
Published: 1950
Place of publication: London
Language: eng
Number of pages: 128
Subjects: English Science fiction
Notes: Date taken from: R. Reginald. Science fiction and fantasy literature : a checklist 1700-1974. Gale Research Co., 1979.

Reginald, R.  Science fiction and fantasy literature, p. 267