Journal of African Earth Sciences
Journal of African Earth Sciences > 2004 > 38 > 1 > 41-57
Journal of African Earth Sciences > 2004 > 38 > 3 > 293-315
Journal of African Earth Sciences > 2004 > 39 > 3-5 > 159-164
Journal of African Earth Sciences > 2004 > 38 > 1 > 41-57
Journal of African Earth Sciences > 2004 > 38 > 3 > 293-315
Journal of African Earth Sciences > 2004 > 39 > 3-5 > 159-164