00365cam a22001217a 4500008004000000082001300040100001800053245008500071260003900156300001000195650002200205700001600227180718b1948   xxu||||| |||| 00| 0 eng d  aI21 C584  aCleeton, G.U.  aExecutive ability: its discovery and developmentcby G.U. Cleeton and C.W. Mason  aYellow SpringsbAntoic Pressc1948  a540p.  aExecutive ability  aMason, C.W.