Journal of African Earth Sciences
Journal of African Earth Sciences > 2001 > 32 > 1 > 47-60
Journal of African Earth Sciences > 2001 > 32 > 1 > 87-102
Journal of African Earth Sciences > 2001 > 32 > 2 > 257-267
Journal of African Earth Sciences > 2001 > 32 > 2 > 325-333
Journal of African Earth Sciences > 2001 > 32 > 2 > 317-323
Journal of African Earth Sciences > 2001 > 32 > 2 > 179-191