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Translated by: ISAAC SMITH
Translated in 16 languages
Translated by: MIRJAM BRÜCKNER
Translated in 10 languages
[Subject: Zoological Sciences]
Translated by: DAVID LAURENT
Translated in 12 languages
[Subject: Civil Engineering]
Translated in 9 languages
[Subject: Generalities]
Translated by: KATRIN HELD
Translated in 5 languages