TY  - BOOK
AU  - McLuhan,Marshall
TI  - Understanding media: the extensions of man, 
SN  - 9780262631594
AV  - P90 .M26 1994
PY  - 1964///]
CY  - New York,
PB  - McGraw-Hill
KW  - Communication and traffic
KW  - Communication.
KW  - Technology and civilization
ER  -