00399nam a22001337a 4500008004100000040005500041080001500096100001600111245003600127260005400163300001400217650001600231653001800247230503b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  a69.05 bJ9  aSansom, R C  aOrganization of building sites   aLondon: bHer Majesty's Stationery Office, c1959  ax, 186p.   aIndustries   aOrganization