RT Journal Article SR Electronic T1 Practical Use and Misuse of Beta JF The Journal of Investing FD Institutional Investor Journals SP 42 OP 47 DO 10.3905/joi.3.2.42 VO 3 IS 2 A1 John S. Brush A1 Michael S. Anselmi YR 1994 UL https://pm-research.com/content/3/2/42.abstract AB