Thermally Altered Siliceous Stone from Prehistoric Contexts: Intentional versus Unintentional Alteration Richard J. Grybush, Michael L. Gregg • 1976
List of Contributors Richard J. Grybush, Michael L. Gregg, G. H. Coleman, Ronald A. Grennes-Ravitz, Michael P. Closs, DONNA C. ROPER, William A. Turnbaugh, Ulrich Köhler, James B. Griffin, W. Raymond Wood, Arlen F. Chase, Volney H. Jones, John W. Rick • 1976