Items where Author is "Penny, P. H. G."
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Penny, P. H. G. (1978). The application of liquid powered fluidics to the sorting of aggregates. (Unpublished Doctoral thesis, City, University of London)
Penny, P. H. G. (1978). The application of liquid powered fluidics to the sorting of aggregates. (Unpublished Doctoral thesis, City, University of London)