00353nam a2200121Ia 450000500170000000800410001702000150005805000210007310000240009424500530011826000430017165000170021420251229191024.0251229s9999    xx            000 0 und d  a0873224833  aQP 84 .H39 1993   aHaywood, Kathleen M 0aLife span  motor developmentcKathleen M Haywood  aChampaignbI.L.L.cHuman Kinetics Pub.  aHuman Growth