@misc {MATHEDUC.02454542, author = {Erler and Reber and Binder, C.H. and Knoblauch, V. and Miehle, A.}, title = {Business-oriented arithmetic. Wirtschaftsrechnen und Wirtschaftsmathematik .}, howpublished = {Stuttgart, Germany, F.R.: Holland u. Josenhans Verl. 1975. 336 p. 2. ed. ISBN: 3778220202}, year = {1975}, identifier = {1978a.00496}, }