chidren and exercise XI  : procedings of the eventh  
/ International congress on pediatric work psychology , held in papendal , the netherlands , september 1983 ; ed. by Rob A.Binkhorst,..., Han C .Y.kemper,..., wim H.M.Saris 
. - Campaign  : Huuman kinetics Publishers, 1985
. - XIII-357 P.  : ill. , couv. en coul.  ; 24 cm. 
<br/><br/>Bibliogr. 
<br/><br/><label>ISBN: </label>0-87322-019-6 
<br/><br/><label>Source: </label> Don 
<br/><br/><label>Universal Decimal Class. No.: </label>613.72