00650nam a22001937a 4500 BD-DhUL 20160327100559.0 160327s1955 xxua|||| |||| 000 0 eng d BD-DhUL BD-DhUL 301.152 TRI Rryon, Robert C. Identification of social areas by cluster analysis : a general method with an application to the Sun Francisco Bay Area / Robert C. Tryon Berkele : University of California press, 1955. vi, 99 p. : ill. ; 24 cm. S $ 1.50 Includes bibliographical references. Sociology ddc BK 50386 50386 0 0 ddc 0 301_152000000000000_TRI 0 NFIC 83713 DUL DUL GEN 2016-03-27 301.152 TRI A153456 2016-03-27 2016-03-27 BK