@article{article, title  = {{Tetrads in sporangia and spore masses from the Upper Silurian and Lower Devonian of the Welsh Borderland}},

 publisher = {{Oxford University Press (OUP)}},

 url = {{https://doi.org/10.1006/bojl.1998.0243 }},

 year = {{1999}},

 month = {{6}},

 author = {{EDWARDS D}},

 doi = {{10.1006/bojl.1998.0243}},

 volume = {{130}},

 journal = {{Botanical Journal of the Linnean Society}},

 issue = {{2}},

 pages = {{111-156}},

 note = {{Accessed on 2025/11/02}}}