Data and Image Compression : Tools and Techniques by Gilbert Held and Thomas R.

ATLAS OF SURGICAL TECHNIQUES By Economou 1st edition 1996

Top Secret: Data Encryption Techniques By Gilbert Held

DORMENT, RICHARD Alfred Gilbert / Richard Dorment 1985 First Edition Paperback

Top Secret: Data Encryption Techniques,Gilbert Held

Data Communications: A Comprehensive Approach, By Gilbert Held and Ray Sarch

DORMENT, RICHARD Alfred Gilbert / Richard Dorment 1985 Hardcover

Understanding Data Communications By Gilbert Held. 9780672300059