TY - BOOK AU - Hill, John William, 1933- AU - Hill, Cynthia S. TI - Chemistry for changing times / : John W. Hill ; with special contributions by Cynthia S. Hill SN - 0-02-355070-8 U1 - DC 540 1992 PY - 1992/// CY - New York : PB - Macmillan Publishing Company KW - Chemistry N1 - Includes bibliographical references and index ER -