RT Journal Article SR Electronic T1 Real estate appraisals JF The Journal of Portfolio Management FD Institutional Investor Journals SP 69 OP 74 DO 10.3905/jpm.1979.408672 VO 5 IS 2 A1 Stephen E. Roulac YR 1979 UL https://pm-research.com/content/5/2/69.abstract AB