TY - BOOK TI - Collection development : options for effective management : proceedings of a conference of the Library and Information Research Group, University of Sheffield, 1987 / ed. by Sheila Corrall SN - 0947568255 AV - Z687/C63 PY - 1988/// CY - London PB - T. Graham KW - Desarrollo de Colecciones - Congresos N1 - MonografĂ­a ER -