TY  - BOOK
AU  - Douglas,Edna
TI  - Economics of marketing
SN  - 0060416955
U1  - 658.8 
PY  - 1975///
CY  - New York
PB  - Harper and Row
KW  - Marketing
KW  - Marketingkonzept
KW  - Marktstruktur
ER  -