Cram, David. <br/><br/>
Explaining "teaching machines" and programming / 
by David Cram. 
 - San Francisco, Calif. :  Fearon,  c1961. 
 - vii, 86 p. :  illus. ;  20 cm. 
<br/><br/>Bibliography: p. 82. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Teaching machines.<br/>Programmed instruction.
<br/><br/><label>Dewey Class. No.: </label>371.3944  / CRE 1961