@book{4970,
	author = {Boes, Duane C.},
	title = {Introduction to the theory of statistics.},
	publisher = {McGraw Hill},
	address = {New Delhi},
	edition = {3rd},
	url = {https://libgen.is/book/index.php?md5=A7717FD5EA954F4EE994C6B6E07F7923}
}