TY  - BOOK
AU  - Ireland,Norman J  .
TI  - Product differintiation and non-price competition / 
SN  - 0631138463
U1  - 658.816 
PY  - 1987///
CY  - Oxford : 
PB  - Basil Blackwell , 
KW  - PRODUCT MANAGEMENT
N1  - Includes references and index
ER  -