00301cam a22001097a 4500008004000000082001500040100002200055245005800077260002600135300001000161650002000171180718b1961   xxu||||| |||| 00| 0 eng d  aK951 V598s  aVernon, Philip E.  aThe structure of human abilitiescby Philip E. Vernon  aLondonbMethuenc1961  a208p.  aHuman abilities