00427nam a2200157Ia 450000500170000000800410001702000180005804100080007608200180008410000160010224500340011826000360015230000130018865000330020165000350023420191017170818.0190710s9999    xx            000 0 und d  a0-631-12885-9  aeng  a371.913 SW24P  aSwann, Will 0aPractice of special education  aLondonb:Basil Blackwell,c1981  axi,452p.  aSpecial Education- Practices  aExceptional children-Education