%0 Journal Article %A James C. Van Horne %T Call risk in municipal bonds %D 1987 %R 10.3905/jpm.1987.409089 %J The Journal of Portfolio Management %P 53-57 %V 13 %N 2 %U https://jpm.pm-research.com/content/iijpormgmt/13/2/53.full.pdf