TY  - BOOK
AU  - McLuhan,Herbert Marshall
TI  - Understanding media: the extensions of man 
PY  - 1964///
CY  - New York
PB  - New American Library
N1  - Bibliogr. S. 315-318
UR  - http://www.archive.org/details/understandingmed00mclurich
UR  - http://www.openlibrary.org/books/OL24222744M
ER  -