Siegler, Martin2024-04-192024-04-192024https://mediarep.org/handle/doc/23318deuCreative Commons Attribution Non Commercial No Derivatives 4.0 GenericAnthropozänHolozänSinkholesHohlräumeNegative Space300https://doi.org/10.14361/zfmw-2024-16012210.25969/mediarep/219751869-17222296-4126