Heller, Louis G., <br/><br/>
Parametric linguistics / 
by Louis G. Heller and James Macris. 
 - The Hague :  Mouton,  1967. 
 - 79 pages  :  illustrations ;  23 cm. 
 - Janua liguarum. Series minor  58 .
<br/><br/>Bibliographical footnotes. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical linguistics.