TY - JOUR T1 - Studies of spore/pollen wall ultrastructure in fossil and living plants: A review of the subject area and the contribution of Bernard Lugardon JO - REV PALAEOBOT PALYNO PY - 2009/07/01 AU - Wellman CH AU - Stamm LG AU - Guignard G ED - DO - DOI: 10.1016/j.revpalbo.2009.03.010 VL - 156 IS - 1-2 SP - 2 EP - 6 Y2 - 2025/05/28 ER -