TY  - BOOK
AU  - Boyle Stanley E
TI  - Industrial organization :  An empirical approach.   
T2  - Principles of economics series
SN  - 0030769205
U1  - X9.73.N7, L2 
PY  - 1972///
CY  - New York
PB  - Holt Rinehart and Winston USA     
KW  - Industrial Economics
ER  -