Showing 1 - 4 results of 4 for search 'Donaldson, Graham Francis', Forespørselstid: 0.01s Refine Results
  1. 1
    Farm machinery testing : scope and purpose in the measurement and evaluation of farm machinery /
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    af Donaldson, Graham Francis
    Udgivet 1970
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  2. 2
    Farm machinery safety; physical welfare effects of the man-machine interaction on farms,
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    af Donaldson, Graham Francis
    Udgivet 1968
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  3. 3
    Optimum harvesting systems for cereals: an assessment for South-East England,
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    af Donaldson, Graham Francis
    Udgivet 1970
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  4. 4
    The consequences of farm tractors in Pakistan : an evaluation of IDA credits for financing the mechanisation of farms in Pakistan 1966-1970 /
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    af McInerney, John
    Udgivet 1975
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