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Author: BAUMLE, R. & KANG'OMBA, S.
Year of Publishing: 2009
Publisher: BGR
Institution: Ministry of Energy and Water, Zambia
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Author: MACDONALD, A., and J. DAVIES
Year of Publishing: 2000
Publisher: British Geological Survey
Institution: DFID, NERC
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Author: P. Howsam
Year of Publishing: 1990
Publisher:
Institution: