Schon, Donald A. <br/><br/>
Invention and the evolution of ideas / 
Donald A. Schon. 
 - London :  Tavistock publication,  1963 
 - xiii, 208 p. :  ill.;  21cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Concepts<br/>Idea (Philosophy)<br/>Semantics (Philosophy)<br/>Inventions