@book{36199,
	author = {Chirot, Daniel.},
	title = {Social change in the twentieth century /},
	publisher = {Harcourt Brace Jovanovich,},
	year = {�1977.},
	address = {New York :},
	url = {http://www.gbv.de/dms/bowker/toc/9780155814202.pdf}
}