@book{2956, author = {Nagel, Kurt.}, title = {The 6 keys to company success}, publisher = {Prentice Hall}, year = {1991}, address = {Landsberg : Verlag Moderne Industrie ; published in association with Cambridge : Director Books ; distributed in the United States Englewood Cliffs, N.J.}, note = {Translation of: Die 6 Erfolgsfaktoren des Unternehmens.} }