PT - JOURNAL ARTICLE AU - Tony van Zijl TI - Beta Loss, Beta Quotient AID - 10.3905/jpm.1985.409015 DP - 1985 Jul 31 TA - The Journal of Portfolio Management PG - 75--78 VI - 11 IP - 4 4099 - https://pm-research.com/content/11/4/75.short 4100 - https://pm-research.com/content/11/4/75.full