'The second in a series of International Symposia in Nitrogen Fixation was held in Salamanca, Spain on 13-17 September 1976 under the ... auspices of the Consejo Superior de Investigaciones Cientificas, the University of Salamanca and the Charles F. Kettering Foundation' - Preface.
Recent developments in nitrogen fixation. ISBN 0125173504. Published by Academic Press in 1977. Publication and catalogue information, links to buy online and reader comments.