@article{GDZPPN00245825X, title = {Deskriptive Statistik - Ferschl, F.}, journal = {Metrika}, volume = {30}, year = {1983}, pages = {64-64}, url = {http://dml.mathdoc.fr/item/GDZPPN00245825X} }
Schneeberger, H. Deskriptive Statistik - Ferschl, F.. Metrika, Tome 30 (1983) p. 64. http://gdmltest.u-ga.fr/item/GDZPPN00245825X/