@book{30651,
	author = {Ziemer, Rodger E.},
	title = {Signals and Systems Continuos and Discrete},
	publisher = {Pearson Education Publisher},
	address = {India},
	edition = {4th},
	url = {https://libgen.is/book/index.php?md5=4D42FBE22824DEF128DB5998C0464AE4}
}