Clays and clay minerals : proceedings of the twelfth national conference on clays and clay minerals /
Edited by W. F. Bradley ...[et al.].
- London : Pergamon press, c 1964.
- 692 p. : ill. ; 24 cm.
- Earth science series ; 19 .
Includes index.
337 337
Economic geology.
Clay--Congresses.
553 / N213p
Includes index.
337 337
Economic geology.
Clay--Congresses.
553 / N213p