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by Gries, David
by Gries, C. (CON); Lipfert, F. (CON); Lippmann, M. (CON); et al.
by Waldhäusl, Werner-Klaus; Gries, F. A.; Scherbaum, Werner A.
by Gries, Friedrich A.
by Schwarzkopf, S.; Gries, R.
by Gries, D.
by Peter Gries
by David Gries
by Werner-Klaus Waldhäusl; ?F. A. Gries; ?Werner A. Scherbaum
by Paul J.J. Welfens; John T. Addison; David B. Audretsch; et al.