01059cam a2200301 a 4500001001200000005001700012008004100029020001800070020002100088035001600109041000800125041001600133082001700149100002400166245005400190260005600244300001600300440002300316504002900339650002400368650003300392650002600425710003700451710004700488999001300535952010400548952010500652ocm206318481999080500000000860421s1985    sa            000 0 eng d  a9780796902900  z0796902909 (pbk)  asab8602410307beng0 aengbafreng04a153.94622191 aEpstein, Barbara I.10aFactors related to mechanical aptitude in Blacks.  aPretoria :bHuman Sciences Research Council,c1985.  avii, 124 p. 0aReport PERS ;v380  aBibliography: p. 86-124. 0aMechanical ability. 0aBlacksxIntelligence levels. 0aBlackszSouth Africa.2 aHuman Sciences Research Council.2 aNational Institute for Personnel Research.  c758d758  00102ddc4070aDAPAbDAPAd2017-05-31hIl0o153.94 EPSpAPA070944r2017-05-31t1w2017-05-31yBK  00102ddc4070aDAPAbDAPAd2017-06-22hIIl0o153.94 EPSpAPA071260r2017-06-22t1w2017-06-22yBK