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Distance teaching of statistics : a report of 10 years of experience at the University of Hagen
Gruber, Josef, (1986)
Über fünf Typen ökonometrischer Entscheidungsmodelle und einige Anwendungsprobleme
Gruber, Josef, (1980)
Optimal Control and interactive vector optimization in econometric decision models - competing or complementary tools of economic analysis? : Condensed version of a paper pres. at the congress on cybernetics, Namur, 1983
Gruber, Josef, (1983)