Adsorption, surface area, and porosity / S. J. Gregg and K. S. W. Sing. Gregg, S. J. (Sidney John) Sing, K. S. W., joint author. Adsorption. Gases Absorption and adsorption. QC182 .G69 1967 533.14 GRA Includes bibliographical references and index. London ; New York : Academic Press, 1967. 1967. 1967 Text xi, 371 p. : eng