Leiden Breestraat 113. Projectnummer dendrochronologie (Stichting RING): 2000053

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...本项目为树木年代学（Dendrochronological）研究项目。存储于https://dataverse.nl/dataverse/stichtingring 的研究成果，其1985年及以后的开展年份可在……处查询。