00306nam a2200133Ia 4500 230326s9999 xx 000 0 und d 0 621.3825 AGA Agarwal, D. C. Satellite Communications Khanna pubishers 2006 0 0 0 0 621_382500000000000_AGA 0 IITE 4319 IITE IITE Text Books 2023-04-28   ,Invoice.No.  0 621.3825 AGA 04312 2023-03-26 00:00:00 BK 4316 4316