Language invariants and mental operations :  international interdisciplinary conference held at Gummersbach/Cologne, Germany, September 18-23, 1983 / 
Hansjakob Seiler and Gunter Brettschneider, eds. 
 - Tubingen :  Gunter Narr Verlag,  1985. 
 - xi, 263 p. : 
 - Language universals series ; .
<br/><br/> "Sponsored by the UNITYP Research Group, Cologne."--P. ix. 
<br/><br/><label>ISBN: </label>ENG328 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Linguistic universals.--
<br/><br/><label>Dewey Class. No.: </label>410  / La