TY  - BOOK
AU  - Grubel HG
TI  - Effective Tariff  Protection
T2  - General Aggreement an Tariffs and Trade. Graduate Institute of International Studies
U1  - X:531p1,N70, L1/TD3 
PY  - 1971///
CY  - Geneva
PB  - Graduate Institute of Internation studies      
KW  - Protection
N1  - Appendix: P 297- 305
ER  -