| 2002 | - | Factors influencing the origins of colour categories - Belpaeme | :: | 9 |
| Steels, L. (2001b). Social learning and language acquisition. In McFarland, D. and Holland, O., editors, Social robots. Oxford University Press, Oxford, UK.
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| 2001 | - | AIBO's first words: The social learning of language and meaning - Steels,Kaplan | :: | 23 |
| [Steels, 2001c] Steels, L. (2001c). Social learning and language acquisition. In McFarland, D. and Holland, O., editors, Social robots. Oxford University Press, Oxford, UK.
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