Geest Verschijningen
| Publisher | Amsterdam Boek |
| Translated by | Wim Koesen |
| Afterword by | Wim Koesen |
| Copyright Holder | Institute of Psychophysical Research |
| Copyright Holder (This Edition) | Amsterdam Boek |
| Format | Paperback |
| Language | Dutch |
| Location | Netherlands |
| This Edition Published | 1976 |
| Copyright | 1975 |
| Copyright | 1976 |
| Pages / Font | 192 pages |
| ISBN | 90 318 9781 1 |
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