Previous Article Next Article Table of Contents Chemie Ingenieur Technik, Vol.66, No.8, 1082-1084, 1994 DOI10.1002/cite.330660817 Export Citation Niobic Acid - A New Industrial Catalyst for Ethylation of Aromatic-Amines Immel O, Schomacker T, Frohlich C, Glock V, Waldmann H Please enable JavaScript to view the comments powered by Disqus.