Showing 1 - 4 results of 4 for search 'Southwell, P. H., 1924-', query time: 0.15s Refine Results
  1. 1
    Energy in perspective /
    by Southwell, P. H., 1924-
    Published 1974
    Microform Book
  2. 2
    The energy cost of energy supplies in Ontario /
    by Southwell, P. H., 1924-
    Published 1978
    Microform Book
  3. 3
    Report on analysis of output-input energy ratios of food production in Ontario /
    by Southwell, P. H., 1924-
    Published 1977
    Microform Book
  4. 4
    Third report concerning energy inputs and energy ratios of food production in Ontario /
    by Southwell, P. H., 1924-
    Published 1978
    Microform Book
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