TY  - BOOK
AU  - Strigel,Werner H
TI  - In search of economic indicators: essays on business surveys
T2  - Lecture notes of economics and mathematical systems
SN  - 3540083464
U1  - (042.3)338.12 
PY  - 1977///
CY  - Berlin
PB  - Springer-Verlag
KW  - economic indicators - lectures
ER  -