000 00914nam a2200229Ia 4500
008 180116s1972 xxu||||| |||| 00| 0 eng d
020 _a0839106297
082 _aWM300
_bSCH
100 _a Schiefelbusch Richard L., National Institute of Child Health Bureau of child Research(1970: Lawrence, Kansas)
245 _aLanguage of the mentally retarded
_b
250 _a
260 _aBaltimore
_bUniversity Park Press
_c1972
300 _a252 p.
_b25 cm.
440 _aNICHD- Mental retardation research centres series
_v
500 _a Based on: Proceedings of a conference sponsored by the National Institute of Child Health Bureau of child Research, Lawrence, Kansas February 16-18, 1970
520 _a Mentally Disabled Persons, Mental Retardation, Language, Child
650 _aChild
650 _aLanguage
650 _aMental Retardation
650 _aMentally Disabled Persons
906 _a5035
_b
_c
999 _c18547
_d18547