Draft Environmental Profile of the Sultanate of Oman [Monograph]
Speece, M. \ 1981
environmental management - environment - soil - Oman
Draft Environmental Report on Yemen (Yemen Arab Republic) [Monograph]
Speece, M. \ 1982
environment - geology - water - soil - land use - vegetation - Yemen
Environmental Profile of Zambia. Draft [Monograph]
Speece, M.W. (et al.) \ 1982
geology - mineralogy - water - land use - soil - vegetation - forestry - erosion - Zambia
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