PT - JOURNAL ARTICLE AU - Jess B. Yawitz AU - William J. Marshall TI - Risk and Return in the Government Bond Market AID - 10.3905/jpm.1977.408615 DP - 1977 Jul 31 TA - The Journal of Portfolio Management PG - 48--52 VI - 3 IP - 4 4099 - https://pm-research.com/content/3/4/48.short 4100 - https://pm-research.com/content/3/4/48.full