Journal of African Earth Sciences
Journal of African Earth Sciences > 2001 > 33 > 2 > 211-225
Journal of African Earth Sciences > 2001 > 33 > 2 > 227-244
Journal of African Earth Sciences > 2001 > 33 > 2 > 303-321
Journal of African Earth Sciences > 2001 > 33 > 2 > 335-348
Journal of African Earth Sciences > 2001 > 33 > 2 > 349-362
Journal of African Earth Sciences > 2001 > 33 > 2 > 177-197