@article{Howe2016, author = "Michael P. A. Howe", title = "{GrapEl – a simple spreadsheet application for managing and disseminating graptolite biozonal range chart data}", year = "2016", month = "6", url = "https://geolsoc.figshare.com/articles/dataset/GrapEl_a_simple_spreadsheet_application_for_managing_and_disseminating_graptolite_biozonal_range_chart_data/3452987", doi = "10.6084/m9.figshare.3452987.v1" }