Preface

W. D. Keller and M. L. Jackson
Clay Minerals Committee, National Academy of Sciences—National Research Council.

Clays and Clay Minerals; 1959 v. 8; no. 1; p. ix; DOI: 10.1346/CCMN.1959.0080101
© 1959, The Clay Minerals Society
Clay Minerals Society (www.clays.org)