International Congress of Mathematicians, 1966

6 k 1966

USSR

0.15 - 0.18$

price on 24.02.2023

0.14$
1 pc

6 k 1966

International Congresses, 1966

International Congress of Mathematicians, 1966 0.15$	2nd International Oceanography Congress, 1966 0.15$	9th International Congress of Microbiologists, 1966 0.26$	7th International Crystallography Congress, 1966, Moscow 0.12$
13th World Congress on Poultry, 1966 0.06$