RT Journal Article SR Electronic T1 Choice among methods of estimating share yield JF The Journal of Portfolio Management FD Institutional Investor Journals SP 50 OP 55 DO 10.3905/jpm.1989.409213 VO 15 IS 3 A1 David A. Gordon A1 Myron J. Gordon A1 Lawrence I. Gould YR 1989 UL https://pm-research.com/content/15/3/50.abstract AB