1. United States Bureau of the Census: Census of the population: 1970. General social and economic characteristics. Final report PC (1)-C6 California, App. 40. Washington, DC: United States Government Printing Office.
2. United States Bureau of the Census: 1970 Census general coding procedures manual, attachment. J2. Washington, DC: United States Government Printing Office.
3. : Personal communication. May, 1981.
4. : Estimates of coverage of the population by sex, race and age in 1970 census. Annual Meeting, Population Association of America, New Orleans, 1973.
5. LUNG CANCER AND AIR POLLUTION IN SOUTHCENTRAL LOS ANGELES COUNTY1