Borne, Ennekerdijk 11 Bussemakershuis. Projectnummer dendrochronologie (Stichting RING): 2010513

Dendrochronological research project. The measurement series on which the results are based are unavailable. D.J. de Vries and H. Tisje performed the research and produced the initial dating resuls; E. Jansma was responsible for the digitization and development of the XML-files containing metadata and results (2011).

树木年代学（Dendrochronology）研究项目。本研究成果所依托的测年序列目前无法获取。D.J. de Vries与H. Tisje负责开展本研究并生成了初始测年结果；E. Jansma于2011年承担了包含元数据（metadata）与研究成果的XML文件的数字化处理与开发工作。