TY  - BOOK
AU  - Johnson Harry G
TI  - Aspects of theory of tariffs
SN  - 0 04 382014 x
U1  - X:53, L1 
PY  - 1971///
CY  - London
PB  - George Allen & Unwin       
KW  - Tariff
N1  - Appendix P41-44
ER  -