1. Abell, Derek F., 1989,Defining the Business, The Starting Point of Strategic Planning, Englewood Cliffs, NJ: Prentice Hall.
2. Albach, Horst, 1991,Innovation, A Cross-Cultural Perspective, Academy of Science and Technology in Berlin, Berlin: draft-report, mimeographed.
3. American Machinist, 1991,World Machine-Tool Output Survey, February, 35?39.
4. Arrow, Kenneth J., 1962, ?Economic Welfare and the Allocation of Resources for Invention?, in Richard R. Nelson (ed.),The Rate and Direction of Inventive Activity, Princeton: Princeton University Press.
5. Boston Consulting Group (ed.), 1990,Europastudie für ausgewählte Zielländer für den VDW, several volumes, Düsseldorf: mimeographed.