PT - JOURNAL ARTICLE AU - William F. Sharpe TI - Factors in New York Stock Exchange security returns, 1931–1979 AID - 10.3905/jpm.1982.408884 DP - 1982 Jul 31 TA - The Journal of Portfolio Management PG - 5--19 VI - 8 IP - 4 4099 - https://pm-research.com/content/8/4/5.short 4100 - https://pm-research.com/content/8/4/5.full