1991 international trade statistics yearbook volum: e i:trade by country commerce par pays/
- 1
- usa: united nations 1993,
- 998, cvi. 28
no index
92-1-061149-7 (paper back):
--
102 12 uni 380
no index
92-1-061149-7 (paper back):
--
102 12 uni 380