J. Joyce
| Verhagen, P., J. Joyce and M. Groenhuijzen (2019). Finding the Limits of the Limes Modelling Demography, Economy and Transport on the Edge of the Roman Empire. Cham: Springer. |

| Verhagen, P., J. Joyce and M. Groenhuijzen (2019). Finding the Limits of the Limes Modelling Demography, Economy and Transport on the Edge of the Roman Empire. Cham: Springer. |
| Verhagen, P., J. Joyce and M. Groenhuijzen (2019). Finding the Limits of the Limes Modelling Demography, Economy and Transport on the Edge of the Roman Empire. Cham: Springer. |