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Browsing by Author "Billingham, PA"

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  • Billingham, PA (NBRI/CSIR, 1977)
    When man first began to build shelters for himself about 800 years ago he concentrated on providing effective walls and roof. The floor go-t scant attention because it was already provided by the earth. The first soft ...
  • Donaldson, GW; Billingham, PA (1973)
    The words ‘built on a firm foundation' have become part of the language and most people would unhesitatingly agree that a house has to have a foundation' without perhaps understanding exactly why. If one were to place an ...