| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Geometry of Spatial Forms | 978-0-13-351636-4 (0-13-351636-9) | 1983 |
| Geometry of Spatial Forms | 978-0-470-20009-4 (0-470-20009-X) | 1983 |
| Geometry of spatial forms | 978-0-470-20011-7 (0-470-20011-1) | 1983 |
C. G. · P. C. · P.G. · Peter C. · Peter G.