00604cam a2200205Mi 4500001001300000003000600013005001700019008004100036020001500077020001800092035002100110040004400131082001300175100003200188245005400220260003000274300001000304650003900314650004500353ocn733606723OCoLC20151023232021.0021008s1972    xx            000 u eng d  a0628001991  a9780628001993  a(OCoLC)733606723  aOG$bengcOG$dOCLCQdCQ$dOCLCOdOCLCF04a155.45261 aVan der Merwe, Carel Aaron.10aIntelligensie en die verstandelik agterlike kind.  a[S.l.] :bPerskor,c1972.  a71 p. 0aChildren with mental disabilities. 7aChildren with mental disabilities.2fast