| 2003 | - | Grounded Lexicon Formation Without Explicit Reference Transfer: who's talking to who? - Vogt | :: | 4 |
| 2006 | - | Language evolution and robotics: Issues in symbol grounding and language acquisition - Vogt | :: | 3 |
| 2005 | - | Design and Performance of Pre-Grammatical Language Games - Van Looveren | :: |