TY - BOOK AU - Booth, Tony AU - Potts, Patricia AU - Swann, Will TI - An Alternative system : a special imagination PB - Open University Press PY - 1982 T2 - The Open University VL - . Educational studies : a second level course ; E241 . Special needs in education ; unit 16 EP - 50 p. UR - http://ci.nii.ac.jp/ncid/BA08034983 SN - 0335131336 ER -