TY  - BOOK
AU  - Babian, Haig,
ED  - New York University.
TI  - The Permanent frontier: an illustrates history of the U.S. economy in action 
AV  - HC103 P47
PY  - 1961///
CY  - U.S.A.
PB  - New York University Press, Institute of Economic Affairs
KW  - Estados Unidos
KW  - Condiciones económicas
ER  -