Rotterdam, Eurogeul Maas Center, veeneiken. Projectnummer dendrochronologie (...

Dendrochronological research project. The measurement series on which the results are based at present are unavailable. The year in which the research stored in...树木年代学（Dendrochronology）研究项目。目前支撑该项目成果的年轮测量序列暂无法获取。该研究存储于……的年份