TY - BOOK AU - Xu,Yongxin AU - Usher,Brent TI - Groundwater pollution in Africa SN - 9780415411677 AV - TD315 .G76 2006 PY - 2006/// CY - London PB - Taylor and Francis KW - Groundwater KW - Pollution KW - Africa N1 - Includes index and bibliographical references ER -