Innovation in Zeolite Materials Science, Proceedings of an International Symposium 
P.J. Grobet, W.J. Mortier, E.F. Vansant, G. Schulz-Ekloff 
 -  Elsevier  1988 
 -  37 .
<br/><br/><label>ISBN: </label>9780444429193 978-0-444-42919-3