@Article{jm-32-87-2013,
AUTHOR = {Pendleton, J. L. and Wellman, C. H.},
TITLE = {Pennsylvanian (mid-Bolsovian to Asturian) megaspores and large pollen of the Bristol Coalfield, UK},
JOURNAL = {Journal of Micropalaeontology},
VOLUME = {32},
YEAR = {2013},
NUMBER = {1},
PAGES = {87--106},
URL = {https://jm.copernicus.org/articles/32/87/2013/},
DOI = {10.1144/jmpaleo2012-001}
}