Welford, A. T. <br/><br/>
Skilled performance :  perceptual and motor skills / 
A. T. Welford ; Lyle E. Bourne, Jr., consulting editor 
 - Foresman : Glenview, Ill :  Scott,  1976 
 - xiv, 200 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 169-190. 
<br/><br/><label>ISBN: </label>0673077098 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Motor ability and intelligence<br/>Social interaction