TY - BOOK AU - McLuhan,Marshall TI - Understanding media: the extensions of man SN - 9780262631594 (pbk) U1 - 302.23 PY - 1994/// CY - Cambridge Mass PB - MIT Press KW - Mass media KW - Communication KW - Communication and technology KW - Hybrid energy KW - Media translator KW - Spoken word KW - Press government KW - RIMS ER -