In This Review

World Mineral Supplies
World Mineral Supplies
Edited by G. J. S. Govett and M. H. Govett
Elsevier, 1976, 451 pp
Economics of Resources
Economics of Resources
Edited by Robert D. Leiter and Stanley L. Friedlander
Cyrco Press, 1976, 212 pp

The Govetts' volume, written mostly by geologists and engineers, is a valuable survey and reference work. Its emphasis on the technology of exploration is a fine contribution to the debate about shortages. The CUNY economists deal well with some fundamentals but range irregularly over a number of fields.