TY - BOOK ED - United States TI - 1990 census of population and housing public law 94-171 data [computer file] T2 - Census '90 PY - 1991///- CY - Washington PB - Bureau of the Census KW - CD-ROM Fed. Doc KW - Local KW - United States KW - Population KW - Databases N1 - Disk Characteristics: CD-ROM ER -