TY  - BOOK
AU  - Sapir Andre
AU  -  Lutz Ernst
TI  - Trade in services :  Economic determinants and deve   
U1  - X:54.1.N7, M1 
PY  - 1981///
CY  - Washington
PB  - World Bank U. S. A.      
KW  -  Economics
KW  - International Trade
N1  - World Bank Staff Working paper.480
ER  -