PT - JOURNAL ARTICLE AU - David A. Gordon AU - Myron J. Gordon AU - Lawrence I. Gould TI - Choice among methods of estimating share yield AID - 10.3905/jpm.1989.409213 DP - 1989 Apr 30 TA - The Journal of Portfolio Management PG - 50--55 VI - 15 IP - 3 4099 - https://pm-research.com/content/15/3/50.short 4100 - https://pm-research.com/content/15/3/50.full