@book{93764,
	author = {Janyani, V.,},
	title = {Optical and wireless technologies :},
	publisher = {Springer,},
	year = {2020},
	series = {Lecture notes in electrical engineering},
	address = {Singapore :},
	url = {https://link-springer-com.libraryumpsa.idm.oclc.org/book/10.1007/978-981-15-2926-9}
}