Vroegmiddeleeuws scheepswrak Vleuten 2, Utrecht. Projectnummer dendrochronolo...

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（其开展时间始于1985年）的实施年份信息可在……中找到。