00281nam a2200097Ia 4500008004100000082001600041100001800057245006000075264003800135300001000173200526s9999||||xx |||||||||||||| ||und||  a371.912 JOH  aJohnson, J.C. 0aEducating Hearing Impaired Children in Ordinary Schools  bManchester University Pressc1962  a120p.