Journal of African Earth Sciences
Journal of African Earth Sciences > 2005 > 43 > 4 > 464-486
Journal of African Earth Sciences > 2005 > 43 > 4 > 447-463
Journal of African Earth Sciences > 2005 > 43 > 4 > 415-432
Journal of African Earth Sciences > 2005 > 43 > 4 > 433-446