00352nam a2200133Ia 450000500170000000800410001704100080005808200150006610000210008124500270010226000410012930000140017065000340018420191106151807.0190710s9999 xx 000 0 und d aeng a151.2 J412 aJensen, Arthur R 0aGenetics and education aLondonb:Methuen and Company, c1972 avii379p.  aGenetics and education a| IQ