PT - JOURNAL ARTICLE AU - Mark Edwards AU - Wayne H. Wagner TI - The five Ws and an H AID - 10.3905/jpm.1991.409390 DP - 1991 Oct 31 TA - The Journal of Portfolio Management PG - 20--22 VI - 18 IP - 1 4099 - https://pm-research.com/content/18/1/20.short 4100 - https://pm-research.com/content/18/1/20.full