@article{article, title  = {{Studies of spore/pollen wall ultrastructure in fossil and living plants: A review of the subject area and the contribution of Bernard Lugardon}},

 url = {{}},

 year = {{2009}},

 month = {{7}},

 author = {{Wellman CH and Stamm LG and Guignard G}},

 doi = {{10.1016/j.revpalbo.2009.03.010}},

 volume = {{156}},

 journal = {{REV PALAEOBOT PALYNO}},

 issue = {{1-2}},

 pages = {{2-6}},

 note = {{Accessed on 2024/12/22}}}