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[Subject: Physics]
Translated in 32 languages
[Subject: Astronomy & Allied Sciences]
Translated by: DR. HANS HOEGER
Translated in 20 languages
Translated in 17 languages
[Subject: Architecture]
Translated by: GIANNI GAVIOLI
Translated in 100 languages
[Subject: Poetry]
Translated by: KATRIN HELD
Translated in 9 languages
Translated by: ANNA SAGLIA
Translated in 3 languages