Modelling for Financial Decisions Proceedings of the 5th Meeting of the EURO Working Group on “Financial Modelling” held in Catania, 20–21 April, 1989 Spronk Jaap Heftet / 2012 / Engelsk
Multiple Criteria Decision Methods and Applications Selected Readings of the First International Summer School Acireale, Sicily, September 1983 Fandel, Günter Heftet / 2011 / Engelsk
