000 00340nam a2200121Ia 4500
100 _aSchiefelbusch, Richard L. & Bricker, Diane D.(ed)
020 _a0-8391-1618-7
942 _cBK
245 _aEarly language : acquisition and intervention
260 _aUniversity park press, Baltimore
_c1981
082 _a401.9 Sch/Bri
300 _ax,606p
999 _c61580
_d61580