TY  - BOOK
AU  - Demsetz Harold
TI  - Market concentration doctrine:  An examination of e   
T2  - American Enterprise Institute-Hoov Policy studies
SN  - 0844731064
U1  - X:517.73.M, L3 
PY  - 1973///
CY  - Washington
PB  - E I P P R      
KW  - Monopoly
ER  -