Flesch, Rudolf <br/><br/>
The art of clear thinking 
Rudolf Flesch 
 - London:  Collier McMillan,  1951. 
 -  256p. 
<br/><br/> PB 
<br/><br/>Includes index 
<br/><br/><br/>eng 
<br/><br/><label>Subjects--Topical Terms: </label><br/>1.Thought and thinking<br/>2.Puzzles
<br/><br/><label>Dewey Class. No.: </label>153.42  / FLA