000 00302nam a2200109Ia 4500
100 _aArnold Gesell, Frances L Ilg
942 _cBK
245 _aChild development : an introducation to the study of human growth
260 _aHarper & Row, New York
_c1949
082 _a136.7 Ges/Ilg
300 _axxii,475p
999 _c11076
_d11076