@book{5230,
	author = {Bratko, Ivan},
	title = {Prolog programming for artificial intelligence},
	publisher = {Pearson Education Publisher},
	year = {2008},
	address = {New Dehli},
	edition = {3rd},
	url = {https://libgen.is/book/index.php?md5=610654D0446C2643592DC392BF0E8654}
}