TY - BOOK AU - Terrence Gordon, W. AU - Gordon, Terrence,W. (editor) TI - Understanding Media : : the extensions of man SN - 9781584230731 AV - P90 PY - 2003/// CY - Berkeley PB - Gingko Press KW - Communication and culture KW - Communication KW - Technology and civilization KW - Mass media KW - Communication and traffic KW - Communication and technology N1 - Includes bibliographical references and index ER -