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Ullmann's Encyclopedia of Industrial Chemistry, Ullmann's Encyclopedia of Industrial Chemistry Fifth Edition on CD-ROM
註釋The chemical encyclopedia with the longest tradition has become the easiest to handle! A powerful, easy-to-use retrieval program lets you get even more out of this reference work. About 1000 major articles, written by 3000 authors, more than 10,000 tables, 30,000 figures, and 16 million words are accessible at a mouse-click!