Readings in historical phonology :  chapters in the theory of sound change / 
edited by Philip Baldi, Ronald N. Werth. 
 - University Park, Pa. :  Pennsylvania State University Press,  1978. 
 - 376 p. ;  23 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>0271005254  14.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Grammar, Comparative and general--Phonology--Addresses, essays, lectures.<br/>Historical linguistics--Addresses, essays, lectures.