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by Welfens, Paul J. J.; Addison, John T.; Audretsch, David B.; et al.
by Gries, Ron
by Gries, David; Gries, Paul; Hall, Petra
by Gries, Friedrich A.; Cameron, Norman E.; Low, Phillip A.; et al.
by Gries, Zeev
by Gries, Peter Hays
by Gries, David; Gries, Paul
by Gilroy, Bernard Michael; Gries, Thomas; Naude, Willem A.
by Hays Gries; Peter
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