Article in Journal Former Ifo President Prof. Dr. Karl Heinz Oppenländer celebrates his 80th Birthday ifo Institut, München, 2012ifo Schnelldienst, 2012, 65, Nr. 02, 03 PDF Download Zum 80. Geburtstag von Professor Oppenländer Included in Journal (Complete Issue) ifo Schnelldienst 02/2012 ifo Institut, München, 2012