Zodrow, Erwin L., and Jose A. D’Angelo. “Compression Map: Improved Means for Studying Carboniferous Foliage”. Atlantic Geoscience 49 (August 14, 2013): 126–130. Accessed March 29, 2024. https://journals.lib.unb.ca/index.php/ag/article/view/atlgeol.2013.006.