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. 2020 Apr 20;27(18):22380–22389. doi: 10.1007/s11356-020-08790-5

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© The Author(s) 2020

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Fig. 4 — L. basale emergency cases built under laboratory conditions. a Emergency case built from sand and black PVC particles (‘PVC hc’). b Emergency case built from sand and blue PET particles (‘PET lc’)