Halberstadt, William R. <br/><br/>
An introduction to modern logic  an elementary textbook of symbolic logic 

 - New York  Harper  1960 
 - xii, 221p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PSYCHOLOGY
<br/><br/><label>Dewey Class. No.: </label>160  / H14