PT  - JOURNAL ARTICLE
AU  - Edward I. Altman
AU  - Duen Li Kao
TI  - Rating Drift in High-Yield Bonds
AID  - 10.3905/jfi.1992.408035
DP  - 1992 Mar 31
TA  - The Journal of Fixed Income
PG  - 15--20
VI  - 1
IP  - 4
4099  - https://pm-research.com/content/1/4/15.short
4100  - https://pm-research.com/content/1/4/15.full