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The Medical Journal of Australia|June 21, 1993
Parasitology: diagnostic techniques in the laboratoryJ C Walker
Origins of Life and Evolution of the Biosphere : the Journal of the International Society for the Study of the Origin of Life|January 1, 1985
Carbon dioxide on the early earthJ C Walker
Bioscience|September 1, 1984
How life affects the atmosphereJ C Walker
Life Sciences and Space Research|January 1, 1980
The influence of life on the evolution of the atmosphereJ C Walker
Nature|October 22, 1987
Was the Archaean biosphere upside down?J C Walker
Science (New York, N.Y.)|October 12, 1979
Radar measurement of the upper atmosphereJ C Walker
Reviews of Geophysics (Washington, D.C. : 1985)|July 1, 1995
There is more to climate than carbon dioxideJ C Walker
Water Science and Technology : a Journal of the International Association on Water Pollution Research|January 5, 2002
The performance of the human nose in odour measurementJ C Walker
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