1. Measuring corporate bond mortality and performance;Altman;Journal of Finance,1989
2. Credit risk measurement: Developments over 20 the last years;Altman;Journal of Banking & Finance,1997
3. Altman, E.I., Cooke, D., Kishore, V., 2000. Defaults and returns on high yield bonds: Analysis through 1998 & Default outlook for 1999–2001, NYU Salomon Center Special Report, January 1999 (updated in January 2000)
4. Basel Committee on Banking Supervision, 1999. A New Capital Adequacy Framework, Basel
5. Basel Committee on Banking Supervision, Range of Practice in Banks Internal Ratings Systems, January 2000. Basel