PT - JOURNAL ARTICLE AU - Eric H. Sorensen TI - Who Puts the Slope in the Municipal Yield Curve? AID - 10.3905/jpm.1983.61 DP - 1983 Jul 31 TA - The Journal of Portfolio Management PG - 61--65 VI - 9 IP - 4 4099 - https://pm-research.com/content/9/4/61.short 4100 - https://pm-research.com/content/9/4/61.full