Trubetskoi, Nikolai Sergeevich,  1890-1938. <br/><br/>
Principles of phonology / 
[by] N. S. Trubetzkoy and translated by Christiane A. M. Baltaxe. 
 - Berkeley, Calif. :  University of California,  1969. 
 - xvi, 344 p. ;  24 cm. 
<br/><br/> Translation from Grundzuge der Phonologie. 
<br/><br/>p. 324-334. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Grammar, Comparative and general--phonology.