We are glad to inform you that the 27th number of the ISSI Newsletter has come out.

Content:

• Editorial
• Conference report: The ISSI Conference in South Africa
• Interview: Introducing the Derek de Solla Price Awardee of 2011 – Olle Persson
• Interview: Nees Jan van Eck & Ludo Waltman: Text Mining and Visualization using VOSViewer
• Interview: Leo Egghe: Benford’s law is a simple consequence of Zipf’s law
• Interview: Jonathan M. Levitt: Preliminary findings on whether it is good value for money to fund larger research groups
• Interview: Dilruba Mahbuba & Ronald Rousseau: Bangladesh’ publication barycentre