Deventer Roggestraat 12. Projectnummer dendrochronologie (Stichting RING): 20...

Dendrochronological research project. D.J. de Vries and H. Tisje performed the research and produced the dating resuls. Digitization of the analog measurement series: Benno...树木年代学（Dendrochronology）研究项目。本研究由D.J. de Vries与H. Tisje开展，并生成了定年结果。模拟测量序列的数字化工作由Benno……完成。