The DSL Sourcebook 
Subtitle: The Comprehensive Resource on Digital Subscriber Line Technology
Publisher: Paradyne Corporation
Published: November 30, 2000
Format: Paperback
Number of pages: 99
ISBN-13: 9780970617002
First sentence: Digital subscriber line technology is a copper-loop transmission technology that solves the bottleneck problem often associated with the last mile between network service providers and the users of those network services.