RT Book T1 Statistics sources: a subject guide to data on industrial, business, social, educational, financial, and other topics for the United States and internationally A1 Wasserman, Paul 1924- LA English PP Detroit, Mich. PB Gale YR 1980 ED 6.ed. UL https://krimdok.uni-tuebingen.de/Record/1616936517 SN 0810303981