@article{9256,
      recid = {9256},
      title = {Mental retardation, past and present /},
      publisher = {for sale by the Supt. of Docs., U.S. Govt. Print Off.,},
      address = {Washington :},
      pages = {viii, 276 p. :},
      year = {1977},
      note = {At head of title: MR 76.},
      url = {http://library.usi.edu/record/9256},
}