PT - JOURNAL ARTICLE AU - Gregg. Jahnke AU - Stephen J. Klaffke AU - Henry R. Oppenheimer TI - Price-earnings ratios and security performance AID - 10.3905/jpm.1987.409127 DP - 1987 Oct 31 TA - The Journal of Portfolio Management PG - 39--46 VI - 14 IP - 1 4099 - https://pm-research.com/content/14/1/39.short 4100 - https://pm-research.com/content/14/1/39.full