Kiphard, E J <br/><br/>
[The problem of motoric frustration in physical training].  [electronic resource] 

 -  Praxis der Kinderpsychologie und Kinderpsychiatrie   
 - 294-8 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0032-7034 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Child<br/>Child Psychiatry<br/>Frustration<br/>Germany, West<br/>Humans<br/>Motor Skills<br/>Physical Education and Training