@book{52,
	author = {"Smith, Ralph J."},
	title = {"Circuits, devices and systems"},
	publisher = {John Wiley & Sons Publisher},
	year = {1995},
	address = {New York},
	edition = {5th},
	url = {https://libgen.is/book/index.php?md5=7172D3B450601A694E9E81A366B0BB30}
}