Gardner, Martin,  1914- <br/><br/>
Logic machines and diagrams  / 
by Martin Gardner 
 - New York :  McGraw-Hill,  1958 
 - 157 p. :  ill. ;  24 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic machines.<br/>Logic diagrams.
<br/><br/><label>Dewey Class. No.: </label>160.78