PT  - JOURNAL ARTICLE
AU  - Vertin, James R.
TI  - What can the future tell us about the past?
AID  - 10.3905/jpm.1979.408721
DP  - 1979 Oct 31
TA  - The Journal of Portfolio Management
PG  - 63--66
VI  - 6
IP  - 1
4099  - http://jpm.pm-research.com/content/6/1/63.short
4100  - http://jpm.pm-research.com/content/6/1/63.full