TY  - BOOK
AU  - Katiyar Sapna 
AU  - Sapna Katiyar 
TI  - Satellite communication 
SN  - 9788189757806
U1  - 621.380422 KAT  
PY  - 2007///
CY  - New Delhi 
PB  - S.K.Kataria & Sons 
KW  - Communication system
ER  -