TY  - BOOK
AU  - Gagliardi 
TI  - Satellite communications 
SN  - 0442227450 
U1  - 621.38254 GAG 1991 
PY  - 1991///
CY  - New York
PB  - Van Nostrand Reinhold
KW  - Artificial satellites in telecommunication
N1  - Includes bibliographical references and index
ER  -