TY - BOOK AU - Mann, Thomas % 1949- / ed. AU - Spyers-Duran, Peter / ed. ED - International Conference on Approval Plans and Collection Development (4 : 1979 : Milwaukee) TI - Shaping library collections for the 198s / ed. by Parker Spyers-Duran and Thomas Mann SN - 0912700580 AV - Z689/I57/1979 PY - 1980/// CY - Poenik, Arizona PB - ORYX KW - Adquisiciones (Bibliotecas) - Congresos KW - Desarrollo de Colecciones (Bibliotecas) - Congresos N1 - Actas De La Cuarta International Conference On Approval Plans And Collection Development, Llevada A Cabo En Milwaukee En 1979; Reunión ER -