00299nam a22000977a 4500020001500000082001600015100001800031245010700049260003400156300001100190  a1853467081  a371.928 AIR  aAird, Richard  aEducation and care of children with severe profound and multiple learning difficulties /cRichard Aird  aLondon :bDavid Fulton,c2001  a120 p.