TY  - BOOK
AU  - Frankel, Jeffrey A
AU  - Wei Shang Jin
AU  - Stein Ernesto
AU  - National Bureau Of Economic Research
TI  - Regional trading arrangements: Natural or super-natural?
T2  - NBER working paper series
U1  - WP 5431 
PY  - 1996///
CY  - Cambridge, MA
PB  - NBER
ER  -