TY  - BOOK
AU  - Hallstein,Walter,1901-1982
TI  - United Europe: : challenge and opportunity
T2  - 	The William L. Clayton lectures on international economic affairs and foreign policy, 1961-1962 
U1  - 940.5 20
PY  - 1962///
CY  - Cambridge: 
PB  -  Harvard University Press, 
KW  - SLSH
KW  -  European federation.
KW  - Historia Da Europa
KW  - Union européenne
N1  - history
ER  -