@book{66592,
	author = {Raj, Ashok},
	title = {Wireless Communication: from 1G, 2G, 3G, to 4G},
	publisher = {Khanna Publishers },
	year = {2014},
	address = {New Delhi},
	url = {https://www.amazon.com/Wireless-Communication-Questions-Answers-Multiple-Choice-Questions/dp/817409296X}
}