178. BEECK, O., AND WHEELER, A. Activated Adsorption of Nitrogen on Iron at 23° and 100°, and Ammonia Synthesis. Jour. Chem. Phys., vol. 7, 1939, pp. 631-632; Chem. Abs., vol. 33, 1939, p. 8363.

178. BEECK, O., AND WHEELER, A. Activated Adsorption of Nitrogen on Iron at 23° and 100°, and Ammonia Synthesis. Jour. Chem. Phys., vol. 7, 1939, pp. 631-632; Chem. Abs., vol. 33, 1939, p. 8363.