%0 Journal Article %A Tony Estep %A Nick Hanson %A Cal Johnson %T Sources of value and risk in common stocks %D 1983 %R 10.3905/jpm.1983.408923 %J The Journal of Portfolio Management %P 5-13 %V 9 %N 4 %U https://jpm.pm-research.com/content/iijpormgmt/9/4/5.full.pdf