000 00300nam a2200121Ia 4500
008 190415s9999 xx 000 0 und d
082 _aRS.0045
100 _aSen, Anima
245 0 _aEarly detection of mental retardation in urban and rural areas
260 _c1987
300 _a101p.
942 _cBK
999 _c12949
_d12949