TY - JOUR T1 - Spore assemblages from a Silurian sequence in borehole Hawiyah-151 from saudi Arabia JO - GeoArabia Special Publication PY - 2000/07/01 AU - Wellman CH AU - Higgs KT AU - Steemans P ED - VL - 1 SP - 116 EP - 133 Y2 - 2024/12/22 ER -