Unpublished conference/Abstract (Scientific congresses and symposiums)Acritarchs, cryptospores and spores of the Siluro-Devonian boundary in Libya
Steemans, Philippe; Rubinstein, C. V.; Le Hérissé, A.
1997 • First international conference on north Gondwanan Mid-Palaeozoic biodynamics. IGCP project Nr. 421 North Gondwana Mid-Palaeozoic bioevent / biogeography patterns in relation to crustal dynamics.