Comments on: ebrary History & Political Science top-25 of e-books with the highest usage over a 3-year period

Comments on: ebrary History & Political Science top-25 of e-books with the highest usage over a 3-year period http://jaarverslag.ub.rug.nl/2012/?p=147&lang=en Bibliotheek Rijksuniversiteit Groningen Tue, 19 Mar 2013 09:37:23 +0000 hourly 1 http://wordpress.org/?v=3.5.1