TY - BOOK AU - Hammill,D D. AU - Bartel,N R. TI - Educational perspectives in learning disabilities SN - 0471347256 AV - DUCE LC4031.H35 PY - 1971/// CY - New York" PB - Wiley. KW - Children with disabilities KW - Education KW - United States N1 - includes bibliographies; Includes bibliographies ER -