urn:nbn:de:0307-20220608-000-9 copy citation link
URN (urn:nbn:de:0307-20220608-000-9)
https://nbn-resolving.org/urn:nbn:de:0307-20220608-000-9
DOI (10.3390/ijgi5040039)
https://doi.org/10.3390/ijgi5040039
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