00496cas a22001937a 450000500170000000800410001701000100005801100100006802000150007803500100009324500300010326000390013330000070017231000100017936200150018965000510020486600230025586600240027820220329142021.0990226c1970    nyuar p rnn   0  1b1eng d  a77119  a78091  a0127850104  a8792100aAdvances in Librarianship0 aNew York :bAcademic Press,c1970-  av.  aAnual1 av.21, 199714aBiblioteconomíaxPublicaciones periódicas.  av.1-10 (1970-1980)  av.15-21 (1991-1997)