TY  - BOOK
AU  - Ries, AI
AU  - 
TI  - Focus: the feature of your company depends on it
SN  - 0-88730-764-7
U1  - 658.8 
PY  - 1996///
CY  - New York
PB  - Harper Collins Publishers
KW  - Marketing management
KW  - Success in business
ER  -