TY  - BOOK
AU  - Helpman, Elhanan
AU  - Krugman, Paul R
TI  - Trade policy and market structure
SN  - 9780262081822
U1  - 382.3   
PY  - 1989///
CY  - London
PB  - MIT press
KW  - Trade Policy
KW  - Commercial Policy
KW  - Marketing
ER  -