Yearbook of international trade statistics.

1950-1951; 1-4 (1950-53); 1951-1953; 1953-1954; 5-6 (1954-55); 1955-1956; 7 (1956); 1956:v.1; 1956 v.2; 1957; 8 (1957); 1957 v.1-2; 1958; 9 (1958); 1958 v.1-2; 10 (1959); 1959 v.1-2; v.1 yr.1959; 1959-1960; 11-12 (1960-61); 1961; v.1 yr.1961; 1962; 13-14 (1962-63); 1963-1964; 15 (1964); 1965; 16 (1965); 1966; 18 (1967); 1968; 19 (1968); 21 (1970/71); 1973-1974 v.1; 1973-1974 v.2; 1974-1975 v.1; 1974-1975 v.2; 24:v.1-2 (1975); 25:v.1-2 (1976); 26:add.1 (1977); 26:v.1 (1977); 27:add.1 (1978); 27:v.1 (1978); 1978 v.2; 28:add.1 (1979); 28:v.1 (1979); 29:add.1 (1980); 29:v.1 (1980); 30:add.1 (1981); 1981 v.1; 30:v.1 (1981); 1981 v.2; 31:add.1 (1982); 1982 v.1; 31:v.1 (1982); 1982 v.2; 1984:2; 1986 v.1; 1988 v.1; 1988 v.2; 1989 v.1 pt.1; 1989 v.1 pt.2; 1989 v.2 pt.1; 1989 v.2 pt.2