Welzel, P., & Lang, G. (1997). Non-parametric efficiency analysis in banking: A study of German universal banks. Inst. für Volkswirtschaftslehre.
Chicago Style (17th ed.) CitationWelzel, Peter, and Günter Lang. Non-parametric Efficiency Analysis in Banking: A Study of German Universal Banks. Augsburg: Inst. für Volkswirtschaftslehre, 1997.
MLA (9th ed.) CitationWelzel, Peter, and Günter Lang. Non-parametric Efficiency Analysis in Banking: A Study of German Universal Banks. Inst. für Volkswirtschaftslehre, 1997.
Warning: These citations may not always be 100% accurate.