TY  - BOOK
AU  - Estados Unidos
TI  - Census of population,: characteristics of the population : United States summary 
SN  - 0405077289
AV  - HA 201.1950 B87.1976
PY  - 1976///
CY  - New York
PB  - Arno
KW  - Estados Unidos
KW  - Población
KW  - Censos
N1  - "Reprint of v. 2. pt. 1. of the 1952-1957 ed.published by the U.S. Govt. Print. Off., Washington
ER  -