000 00410cam a22001097a 4500
008 180718b1964 xxu||||| |||| 00| 0 eng d
082 _aQ65x73 Un3b
245 _aReport of the task force on bwhavioral and social research : president,s panel on mental retardation
_cedited by William I. Gardner
260 _aWashington
_bU.S. Government Printing Office
_c1964
300 _avii,73p.
700 _aGardner, William I
999 _c495559
_d495559