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The english site is coming soon.

1963
The Life of Erkel (Erkel élete )
Biography, Music, Popular science
1989
Playful Mathematics 4 (Játékos matematika 4. )
Mathematics, Popular science, Tales
1969
Fegyver ellen fegyvert!
Home defense, Military technology, Politics, Popular science
1952
Mit kell tudni az alkoholról
Healthcare, Popular science
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