RT Journal Article SR Electronic T1 A new tool for estimating new issue bond yields JF The Journal of Portfolio Management FD Institutional Investor Journals SP 42 OP 45 DO 10.3905/jpm.1981.408799 VO 7 IS 3 A1 Sorensen, Eric H. A1 Wert, James E. YR 1981 UL http://jpm.pm-research.com/content/7/3/42.abstract AB