00313nam a22000857a 4500100002500000245012800025260004600153300001000199650001800209  aKarchmer, Michael A.  aLouisiana State Survey of Hearing Impaired and DeafBlind Children and Youth 1978-79 /cMichael A. Karchmer and Stephen Wolk  aWashington, DC :bGallaudet Collegec1980  a27 p.  aDeaf children