Gans, Eric Lawrence, 1941-, <br/><br/>
The origin of language :  a formal theory of representation / 
Eric Gans. 
 - Berkeley, Calif. :  University of California Press,  1981. 
 - xiii, 314 p. ;  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language and languages--Origin.<br/>Representation (Philosophy).