TY - BOOK AU - Clack,Doris Hargrett TI - Authority control: principles, applications, and instructions SN - 0-8389-0516-1 PY - 1990/// CY - Chicago, London PB - American Library Association KW - Ficheros de autoridades (CatalogaciĆ³n) KW - Proceso de datos N1 - Bibliography: p209-219. - Includes index ER -