@book{12170,
	author = {Twiss, Thomas M.},
	title = {Trotsky and the problem of Soviet bureaucracy /},
	publisher = {Brill,},
	year = {2014.},
	series = {Historical materialism book series,},
	address = {Leiden :},
	url = {http://dx.doi.org/10.1163/9789004269538}
}