TY  - BOOK
AU  - VAN BERGEIJK Peter A G
AU  -  BRAKMAN Steven
TI  - Gravity model in international trade:  Advances and applications   
SN  - 9780521196154
U1  - X:54:(B).1, Q0/RR 
PY  - 2010///
CY  - Cambridge
PB  - Cambridge University Press        
N1  - Bibliography chapterwise
ER  -