| 1997 | - | Learning and the emergence of coordinated communication - Oliphant,Batali | :: | 61 |
| 1999 | - | The learning barrier: Moving from innate to learned systems of communication - Oliphant | :: | 42 |
| 1997 | - | Formal Approaches to Innate and Learned Communication: Laying the Foundation for Language - Oliphant | :: | 25 |