Preface

A. F. Frederickson and M. L. Jackson
Clay Minerals Committee, National Academy of Sciences-National Research Council

Clays and Clay Minerals; 1960 v. 9; no. 1; p. xi; DOI: 10.1346/CCMN.1960.0090101
© 1960, The Clay Minerals Society
Clay Minerals Society (www.clays.org)