National conference on Clays and Clays Minerals (11th : 1962, Aug 13-17 : Ottawa Canada) (Meeting Name)

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Preferred form: National conference on Clays and Clays Minerals (11th : 1962, Aug 13-17 : Ottawa Canada)

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Work cat.: ()745254: National conference on Clays and Clays Minerals (11th : 1962, Aug 13-17 : Ottawa Canada), Clays and clays minerals :, 1963