Ullmann's Encyclopedia of Industrial Chemistry
[ar] موسوعة أولمان للكيمياء الصناعية
[de] Ullmanns Enzyklopädie der Technischen Chemie
[fa] دانشنامه شیمی صنعتی اولمان
[fr] Ullmann's Encyclopedia of Industrial Chemistry
[hi] उलमैन'स एनसाइक्लोपीडिया ऑफ इंडस्ट्रियल केमिस्ट्री
[hu] Ullmann Vegyipari Enciklopédia
[id] Ullmann's Encyclopedia of Industrial Chemistry
[it] Ullmann's Encyclopedia of Industrial Chemistry
[pt] Ullmann's Encyclopedia of Industrial Chemistry
[ro] Ullmann's Encyclopedia of Industrial Chemistry