@book{20748,
	author = {Nilsson, Nils J.},
	title = {Artificial intelligence},
	publisher = {Elsevier},
	year = {2013},
	address = {New Dehli},
	url = {https://libgen.is/book/index.php?md5=6D714AF2ED69F7A9E6F96F0161F2BA00}
}