00278nam a2200109Ia 4500008004100000082001500041100002000056245002900076250000800105260004300113300001200156190709s9999    xx            000 0 und d  a151.2 V98M  aVernon, Philp E 0aMeasurement of abilities  a2nd  aLondonbUniversity of London Prec1962  axii,276