000 00321nam a2200109Ia 4500
008 200527s9999||||xx |||||||||||||| ||und||
082 _a371.9 HAM B
100 _aHammill, Donald.D. , Bartel, Nettie R.
245 0 _aEducational Perspectives in Learning Disabilities
264 _bJohn Wiley and Sons
_c1971
300 _a420p.
999 _c15610
_d15610