TY  - BOOK
AU  - Black,Uyless
TI  - Data networks: concepts, theory, and practice 
SN  - 9718636358
U1  - 004.619 B56d 1989 19
PY  - 1989///
CY  - Englewood Cliffs, N.J.
PB  - Prentice Hall , 
KW  - Computer networks
KW  - Data transmission systems
N1  - Includes appendix, bibliography and index
N2  - "This book is intended to provide the reader with a detailed explanation of data communications systems and computer networks. It is the product of almost two years of research, writing, editing and rewriting. The author hopes the book will be as satisfying for you to read as it was for him to write. The book is intended for use by data communications professionals and students. It is designed as an introductory text and is also suited for mid-level college courses. It can serve as a textbook for a two-semester class. It is also intended to be a reference and has extensive explanations of the more widely used standards and products in the industry."
ER  -