RT Journal Article SR Electronic T1 Moody's Preferred Stock Ratings and Dividend Impairment JF The Journal of Fixed Income FD Institutional Investor Journals SP 95 OP 103 DO 10.3905/jfi.1995.408149 VO 5 IS 3 A1 Lea V. Carty YR 1995 UL https://pm-research.com/content/5/3/95.abstract AB