Global networks
题名:
Global networks
著者:
Graham, Ian, 1953-
Barber, Nicola
ISBN:
9780237526290
出版信息:
London : Evans, 2003
规格:
46 p. : ill. ; 29 cm
系列:
Communications close-up
系列题名:
Communications close-up
一般附注:
Includes index
主题:
| Telecommunication systems -- Juvenile literature |