TY  - BOOK
AU  - Helpman,Elhanan
AU  - Krugman,Paul R.
TI  - Trade policy and market structure / 
U1  - 382.3 21
PY  - 1989///
CY  - Cambridge : 
PB  - MIT Press , 
KW  - INTERNATIONAL TRADE
KW  - COMMERCIAL POLICY
N1  - Includes index
ER  -