@book{83181,
	author = {Petras, James F., and ebrary, Inc.},
	title = {Imperialism, crisis and class struggle},
	publisher = {Brill,},
	year = {2010.},
	series = {Studies in critical social sciences,},
	address = {Leiden ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10419815}
}