Home › Authors › Ib Madsen 👤 Ib Madsen b. 1942 ยท 5 books Books by Ib Madsen Geometry and topology, Aarhus 2000 From Calculus to Cohomology 1997 Technological forecasting in m Technological forecasting in managing new technology 1989 Lectures on characteristic cla Lectures on characteristic classes in algebraic topology 1988 The classifying spaces for surgery and cobordism of manifolds 1979