PT - JOURNAL ARTICLE AU - Mark P. Snyderman TI - A commercial mortgage performance index AID - 10.3905/jpm.1990.409275 DP - 1990 Apr 30 TA - The Journal of Portfolio Management PG - 70--73 VI - 16 IP - 3 4099 - https://pm-research.com/content/16/3/70.short 4100 - https://pm-research.com/content/16/3/70.full