Late Viking Age and Medieval Waterford Excavations 1986 - 1992 by M. F. Hurley, O. M. B. Scully and S. W. J. McCutcheon. McCormac, F. G., Hogg, A. G., Higham, T. F. G., Lynch-Stieglitz, J., Broecker, W. S., Baillie, M. G. L., Palmer, J., Xiong, L., Pilcher, J. R., Brown, D. M . and Hoper, S. T. 1998a. Temporal Variation in the Interhemispheric 14C Offset. Geophysical Research Letters Vol. McCormac, F. G., Hogg, A. G., Higham, T. F. G., Baillie, M. G. L., Palmer, J., Xiong, L., Pilcher, J. R., Brown, D. M . and Hoper, S. T. 1998b.
Southern hemisphere offset preliminary results.
Radiocarbon , 40. Baillie, M. G. L. and Brown, D. M . Further Evidence Confirms the Twelfth Century BC Dendro-Date from the Inner Ditch of Haughey's Fort. Mallory, J. P., Brown, D. M . and Baillie, M. G. L. 1999. Dating Navan Fort.