PT  - JOURNAL ARTICLE
AU  - Steven Bleiberg
TI  - How little we know
AID  - 10.3905/jpm.1989.409229
DP  - 1989 Jul 31
TA  - The Journal of Portfolio Management
PG  - 26--31
VI  - 15
IP  - 4
4099  - https://pm-research.com/content/15/4/26.short
4100  - https://pm-research.com/content/15/4/26.full