Zelhem provinciale weg, boomstamputten. Projectnummer dendrochronologie (Stic...

Dendrochronological research project. The year in which the research stored in https://dataverse.nl/dataverse/stichtingring took place, from 1985 onwards can be found in the...树木年代学（Dendrochronology）研究项目。存储于https://dataverse.nl/dataverse/stichtingring中的该研究项目所涵盖的1985年及之后的研究开展年份信息，可在……中获取。