TY  - BOOK
AU  - Sigel,Efrem
TI  - Videotext: the coming revolution in home/office information retrieval 
SN  - 0517543850 :
AV  - TK5105.5 .V52 1981
U1  - 384.55 19
PY  - 1980///
CY  - New York
PB  - Harmony Books
KW  - Videotex systems
KW  - Information services
N1  - "A Knowledge Industry Publications, Inc. book."; Includes index
UR  - http://www.archive.org/details/videotextcomingr00sige
UR  - http://www.openlibrary.org/books/OL4110220M
ER  -