Ullmann's encyclopedia of industrial chemistry - Fritz Ullmann, Wolfgang Gerhartz, Y. Stephen Yamamoto, F. Thomas Campbell, Rudolf Pfefferkorn, James F. Rounsaville - Google Books

https://books.google.de/books?id=kOJtAAAAIAAJ&pg=PA241#v=onepage

For more than eighty years, the name Ullmann's Encyclopedia of Industrial Chemistry has been synonymous with information of the highest quality. Chemists and engineers in industry and academia know that they can rely on the knowledge and expertise of…