Rijnsburg, stuk Merovingisch hout. Projectnummer dendrochronologie (Stichting RING): 1965012

This datset contains dendrochronological research and interpretations by A.J. Brongers in the 1960's-1970's. Digitization of the analog measurement series: Benno Ridderhof (VU, 2008); further additions and reformatting: Esther Jansma (2011). Re-analysis by Jansma (2022) indicates that the dendrochronological quality of this research is low due to measurement errors.