RT Journal Article SR Electronic T1 Expanding Socially Screened Portfolios JF The Journal of Investing FD Institutional Investor Journals SP 79 OP 86 DO 10.3905/joi.1997.408434 VO 6 IS 4 A1 Louis D'Antonio A1 Tommi Johnsen A1 R. Bruce Hutton YR 1997 UL https://pm-research.com/content/6/4/79.abstract AB