Elements for Focus: Fixed length fields; Leader (006, 007); Call Number (050); Abbreviated, Key Titles (210, 222); Preferred title (130), ; Publication (264), ; Frequency changes (310/321), ; and fields 336-338, 506, 588, 856.
Elements for Focus: Fixed length fields; Leader (006, 007); Call Number (050); Abbreviated, Key Titles (210, 222); Preferred title (130), ; Publication (264), ; Frequency changes (310/321), ; and fields 336-338, 506, 588, 856.