(1984). The Danish Wadden Sea: Thematic mapping by means of remote sensing / Sten Folving.
Lua i Stíl Chicago (17ú heag.)The Danish Wadden Sea: Thematic Mapping by Means of Remote Sensing / Sten Folving. 1984.
Lua MLA (9ú heag.)The Danish Wadden Sea: Thematic Mapping by Means of Remote Sensing / Sten Folving. 1984.
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