Crothers, Edward J. <br/><br/>
Experiments in second-language learning 
by Edward Crothers and Patrick Suppes. 
 - New York  Academic Press  1967. 
 - 374 p.  illus. 
<br/><br/>Bibliography : p. 352-366. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Russian language--Study and teaching--United States.<br/>Language and languages--Study and teaching.