| |
| 2000 | ||
|---|---|---|
| 2 | Ian R. Porteous, Mike J. Puddephat: Landmarks of a Surface. IMA Conference on the Mathematics of Surfaces 2000: 114-125 | |
| 1988 | ||
| 1 | Ian R. Porteous: The Circles of a Surface. IMA Conference on the Mathematics of Surfaces 1988: 135-143 | |
| 1 | Mike J. Puddephat | [2] |