slurry evenly distributed, but in the mass of flint sometimes visible outflowing out of focus, delicate, colored circles or streaks with a slightly brown color, large parts of concretion do not show the presence of these concentric vertebrae; large concretions in the form of tablets? or in the form of nodules?
Operational Program Digital Poland, 2014-2020, Measure 2.3: Digital accessibility and usefulness of public sector information; funds from the European Regional Development Fund and national co-financing from the state budget. ; European Union. European Regional Development Fund
Aug 17, 2021
Dec 21, 2020
|Krzemień czekoladowy : dokumentacja 3D||Aug 17, 2021|