TY  - BOOK
AU  - Trockel, Walter
TI  - Market demand: An Analysis of large economies with non-convex preferences 
T2  - Lecture notes in economics and mathematical systems
SN  - 3540128816
U1  - 658.83 20
PY  - 1984///
CY  - Berlin
PB  - Springer Verlag
KW  - Management
KW  - Marketing
KW  - Market surveys
ER  -