Volume 4 Number 2 Contents 1997 M. N. Sebagenzi 153 Gravity modelling of the lithosphere in Southeastern Zaïre and Zambia (Central Africa) S. Master 177 Bibliography of the Geology and Mineral Resources of the Central African Copperbelt and the Katangan Sequence in Zambia, Democratic Republic of Congo (Zaïre), Angola and Zimbabwe (1830-1997) V. Arad 285 Current Bibliography of Middle East Geology