TY  - BOOK
AU  - Mason, Edward Sagendorph,
TI  - Economic concentration and the monopoly problem
U1  - 338.820973 MAS 
PY  - 1957///.repr. 1959
CY  - Cambridge
PB  - Harvard University Press
KW  - Big business
KW  - United States
KW  - Trusts, Industrial
ER  -