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) Systematic instruction of persons with severe handicaps. - Columbus, Ohio : Merrill, Bell & Howell, 1987. - XI, 532 S. : Ill. ( Kollat: XI, 532 S. : Ill.)
ISBN: 0-675-20468-2
Sign.: II 87.153 * Inv.Nr.: 36.034 * Standort: Magazin