TY  - BOOK
AU  - Markusen James R
AU  -  Melvin James R
TI  - Theory of international trade
SN  - 0060442123
U1  - X:54, M8/TD3 
PY  - 1988///
CY  - Cambridge
PB  - Harper and Raw        
KW  - Export
N1  - Bibliography chapterwise
ER  -