Locating language in time and space / 
edited by William Labov 
 - New York :  Academic Press,  1980 
 - xx, 271 p. :  ill. ;  23 cm. 
 - Quantitative analysis of linguistic structure series  1 .
<br/><br/>Includes bibliographies and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language and languages--Variation<br/>Linguistic change