Dorestad, palen uit de haven. Projectnummer dendrochronologie (Stichting RING...

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...树木年代学研究项目。存储于https://dataverse.nl/dataverse/stichtingring的该研究的开展年份（1985年及以后）可在……中查询到。