Home › Authors › James C. G. Walker 👤 James C. G. Walker 5 books Books by James C. G. Walker Numerical adventures with geochemical cycles 1990 Evolution of the atmosphere 1977 Geomagnetic observations in the Arctic Ocean 1964 The day airglow and the heatin The day airglow and the heating of the upper atmosphere 1964 Geomagnetic observations on Fletcher's Ice Island (T-3) 1963