TY - BOOK AU - Hewitt,Paul G. TI - Conceptual physics SN - 0673521850 AV - QC23 .H56 1993 U1 - 530 20 PY - 1993/// CY - New York, NY PB - HarperCollinsCollegePublishers KW - Physics N1 - Includes bibliographical references and index ER -