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[Subject: Sociology]
Translated by: SYLVIA VERGARA
Translated in 8 languages
Translated by: KATRIN HELD
Translated in 6 languages
[Subject: Physics]
[Subject: Generalities]
Translated in 5 languages
Translated in 4 languages
[Subject: Building Materials]
Translated in 3 languages
[Subject: Pulp & Paper Technologies]
[Subject: Office Equipment - Rank Xerox]