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1949 in science
English
1949 en science
French
1949 במדע
HE
Znanost u 1949.
Croatian
1949 a tudományban
Hungarian
Науката во 1949 година
Macedonian
Vitskap i 1949
NN
Vitenskapsåret 1949
NB
1949 na ciência
Portuguese
1949 год в науке
Russian
1949 w nauce
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1944
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1948
1949
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