00305nam a2200121Ia 450000500170000000800410001704100080005808200160006610000210008224500270010326000440013030000090017420260720174643.0260720s1964    xx            000 0 und d  aeng  a370.15 SAWE  aTelford & Sawrey  aEducational Psychology  aNew DelhibPrentice-Hall of Indiac1964  a588p