1. 2. Indiana State Department of Public Instruction. Indiana incidence percentages public school enrollment, 1982-1983 school year. CABLE, Table 1, Indianapolis, 1983 .
2. 3. Public Law no. 93-112, 93rd Congress, First Session , 1973 .
3. 4. E. Steinfeld others. Proposed ANSI A-117 (1977) Specifications for making buildings and facilities accessible to and usable by physically handicapped people. Syracuse University School of Architecture Research Office. Syracuse. NY, sponsored by US Department of Policy Development and Research. Contract no. 2200, p81 . 1977 .