TY  - BOOK
AU  - McLuhan,Marshall
TI  - Understanding media: the extensions of man
SN  - 9781138370340
AV  - P90 .M26 1967
U1  - 301.2 
PY  - 2018///
CY  - London
PB  - Routledge classics
KW  - Mass media
KW  - Communication
KW  - Communication and technology
ER  -