TY - BOOK AU - Cochrane,Pauline Atherton AU - Johnson,Eric Hilary AU - Roe,Sandra ED - University of Illinois at Urbana-Champaign. TI - Visualizing subject access for 21st Century information resources SN - 087845103X AV - Z695 V73 PY - 1998/// CY - [Illinois] PB - University of Illinois at Urbana-Champaing, Graduate School of Library and Information Science KW - Catalogacion tematica KW - Procesamiento de datos KW - Indizado KW - Información KW - Recuperación ER -