Houalla, M., Lemaitre, J., & Delmon, B. (1982). Influence of the Lithium Content On the State, Dispersion and Reducibility of Nickel-oxide Supported On Gamma-alumina. Journal of the Chemical Society. Faraday Transactions I, 78, 1389-1400. https://doi.org/10.1039/f19827801389 (Original work published 1982)