TY  - BOOK
AU  - Lavergne,Real P.
TI  - The political economy of U.S. tariffs: an empirical analysis 
SN  - 0124387403 (pbk.) :
U1  - 337.0973 
PY  - 1983///
CY  - New York
PB  - Academic Press
KW  - Tariff
KW  - United States
KW  - Mathematical models
N1  - Includes bibliographical references and index
ER  -