%0 Journal Article %A J. Peter Williamson %A Allen Silver %T Sideways Betas %B Criticism and Response %D 1976 %R 10.3905/jpm.1976.408556 %J The Journal of Portfolio Management %P 68-70 %V 2 %N 2 %U https://jpm.pm-research.com/content/iijpormgmt/2/2/68.full.pdf