| 1999 | ||
|---|---|---|
| 2 | Molly E. Sorrows, Stephen C. Hirtle: The Nature of Landmarks for Real and Electronic Spaces. COSIT 1999: 37-50 | |
| 1998 | ||
| 1 | Stephen C. Hirtle, Molly E. Sorrows, Guoray Cai: Clusters on the World Wide Web: Creating Neighborhoods of Make-Believe. Hypertext 1998: 289-290 | |
| 1 | Guoray Cai | [1] |
| 2 | Stephen C. Hirtle | [1] [2] |