@book{FrickeZhengKramer2006, author = {Dieter Fricke and Xia Zheng and Frank Kramer}, title = {Einf{\"u}hrung in die Volkswirtschaftslehre}, publisher = {Bayreuth}, address = {Unternehmensrechnung und Steuern Uni Bayreuth}, isbn = {978-3-937443-06-5}, pages = {225}, year = {2006}, language = {de} }