Hankes, Elmer Joseph <br/><br/>
A Universal Second Language / 
Elmer, Joseph Hankes 
 - Minnieapolis, Minnesota :  The Hankes Foundation,  1992 
 - 170 p. ; 23 cm. 
<br/><br/> Incluye indice 
<br/><br/><label>ISBN: </label>9205837105 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Lenguaje artificial<br/>Lenguajes universales
<br/><br/><label>LC Class. No.: </label>PM 8088 H34  / 1992