References

Hessing, W.A.M. 1999, Building programmes for the Lower Rhine limes. The impact of the visits of Trajan and Hadrian to the Lower Rhine. In: H. Sarfatij, W.J.H. Verwers & P.J. Woltering (eds), In discussion with the past. Archaeological studies presented to W.A. van Es, Zwolle/Amersfoort, 149-156.