@book{28356,
	author = {Tignor. Robert},
	title = {Worlds together worlds apart},
	publisher = {W. W. Norton & Company},
	address = {New York},
	edition = {2nd},
	url = {https://libgen.is/book/index.php?md5=2C2E314089DAFB1DC4AD02A217A8C646}
}