International Clay Conference 1978, Proceedings of the VI International Clay Conference 1978, organized by the Clay Minerals Group, Mineralogical Society, London, under the auspices of Association Internationale pour l'Etude des Argiles 
M.M. Mortland, V.C. Farmer 
 -  Elsevier  1979 
 -  27 .
<br/><br/><label>ISBN: </label>9780444417732 978-0-444-41773-2