Molecular sieve zeolites : the second international conference co-sponsored by the Division of colloid and Surface Chemistry, the Division of Petroleum Chemistr, and the Division of Physical Chemistry of the American Chemical Society and Worcester Polytechnic Institute, Worcester, Mass., Sept. 8-11, 1970 - Flanigen, Edith M., 1929-; Sand, Leonard B., 1922- (Advances in chemistry series ;, 1971)