TY  - BOOK
AU  - Funke Urshla H
TI  - Mathematical models in marketing :  A collection of   
T2  - Lecture Notes in Economics and Mathematical Systems Operations Research. Ed  by M Beckmann and H P Kunzi. 132
SN  - 354007869X
U1  - X:51:(B)b, L6 
PY  - 1976///
CY  - Berlin
PB  - Springer-Verlag          
KW  - Marketing IRT Mathematics
ER  -