TY  - BOOK
AU  - McLuhan,Marshall
TI  - Understanding media: the extensions of man,
T2  - A Signet book
AV  - P90 .M26 1964x
U1  - 301.2 
PY  - 1964///]
CY  - New York]
PB  - New American Library
KW  - Communication
KW  - Communication and traffic
KW  - Technology and civilization
N1  - Bibliography: p. 315-318
UR  - http://www.archive.org/details/understandingmed00mclu
UR  - http://www.openlibrary.org/books/OL24222743M
ER  -