TY  - JOUR
AU  - N. Freytag
TI  - A statistical study of their social and economic differences -  Moser, C.A.; Scott, Wolf
JO  - Metrika
PY  - 1962
SP  - 219
EP  - 220
VL  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MET_1962__5_175161/
ID  - MET_1962__5_175161
ER  -