00938nam0 2200253 450 00001298920080616115417.020080616d1967----km-y0itay50------baengUSy-------001yyTrends in corporate bond qualityThomas R. Atkinsonwith the assistance of Elizabeth T. SimpsonNew York [etc.]National bureau of economic research distributed by Columbia university press1967XVI, 106 p.24 cmStudies in corporate bond financing42001Studies in corporate bond financingObbligazioni socialiConversioneStati UnitiAtkinson,Thomas R.233169Simpson,Elizabeth T.ITUNIPARTHENOPE20080616RICAUNIMARC000012989312/92449NAVA22008Trends in Corporate Bond Quality642829UNIPARTHENOPE