16.: Abweichung und Norm - Hunold, Gerfried W. (OLS)http://ftis/name/52257; Engelhardt, Dietrich, Von. (OLS)http://ftis/name/71781; Raffelt, Albert. (OLS)http://ftis/name/56749; Logstrups, Knud E. (OLS)http://ftis/name/60661 (Herder, 1982)