First Published in 1968. Routledge is an imprint of Taylor & Francis, an informa company.
- ISBN10 3734093279
- ISBN13 9783734093272
- Publish Date 25 September 2019 (first published 23 February 1968)
- Publish Status Active
- Imprint Outlook Verlag
- Format Hardcover
- Pages 110
- Language English