@article{Versteegh2012, author = "Emma Versteegh", title = "{Biesbosch 1951 - Gat van de Molen - Unio shell.tif}", year = "2012", month = "11", url = "https://figshare.com/articles/figure/Biesbosch_1951_-_Gat_van_de_Molen_-_Unio_shell_tif/91279", doi = "10.6084/m9.figshare.91279.v1" }