<https://doi.org/10.1594/PANGAEA.147481>
<http://schema.org/description>
"Species: Quercus species; No of rings: 113; first year: 1337; end year: 1450; Pith: not applicable; Heartwood: complete; Sapwood: complete; Number of sapwood rings: 17; Last ring under bark: present"
<https://doi.pangaea.de/10.1594/PANGAEA.147481>