00585nam a2200157Ia 450000100060000000300050000600500170001100800410002801000150006902000150008424501720009926000630027130000180033465000430035270000320039588166BIBL20160527204235.0720425s1970    caua          00000 eng    a 72075253   z087879035710aJumping up and downba manual of motor activities to develop balance and coordinationcby Kathleen Abernethy [and others]. Illustrated by Judy Cowley and David Corney.0 a[San Rafael, Calif.bAcademic Therapy Publicationscc1970]  a80 p.billus. 0aPhysical education for children2Local10aAbernethy, Kathleen.2Local