Journal of African Earth Sciences
Journal of African Earth Sciences > 2006 > 44 > 1 > 66-74
Journal of African Earth Sciences > 2006 > 44 > 3 > 372-382
Journal of African Earth Sciences > 2006 > 46 > 5 > 427-438
Journal of African Earth Sciences > 2006 > 44 > 1 > 66-74
Journal of African Earth Sciences > 2006 > 44 > 3 > 372-382
Journal of African Earth Sciences > 2006 > 46 > 5 > 427-438