RT Journal Article SR Electronic T1 Cyberclone Peer Groups JF The Journal of Investing FD Institutional Investor Journals SP 63 OP 67 DO 10.3905/joi.1998.408471 VO 7 IS 4 A1 Ronald J. Surz YR 1998 UL https://pm-research.com/content/7/4/63.abstract AB