00475nam a2200181Ia 4500 230714s9999 xx 000 0 und d 9790000000000 eng 621.382'2 BAB Babu P.R. Signals And Systems 5th ed. 2018 Scitech Publication 958 Rs. 610.00 Babu P.R. & Anandnatarajan R. O:0770009-Dec-2022B:12007-Dec-2022 TE 762.5 228739 228739