@book{6890,
	author = {Collin robert E},
	title = {Antennas and radiowave propagation},
	publisher = {McGraw Hill},
	year = {2014},
	address = {New Yark },
	url = {https://libgen.st/book/index.php?md5=E53AF255ED6546FC6B1569B7BBB32578}
}