TY - BOOK AU - Kuhn,Thomas S. TI - The essential tension: selected studies in scientific tradition and change AV - Q175 .K954 1977eb U1 - 501 PY - 1977/// CY - Chicago PB - University of Chicago Press KW - Science KW - Philosophy KW - History KW - Electronic books N1 - Includes bibliographical references and index UR - http://site.ebrary.com/lib/daystar/Doc?id=10991033 ER -