@book{1856,
	author = {Dougherty, James E. and Pfaltzgraff, Robert L.,},
	title = {Contending theories of international relations :},
	publisher = {Longman,},
	year = {�2001.},
	address = {New York :},
	edition = {5th ed.},
	url = {http://bvbr.bib-bvb.de:8991/F?func=serviceetdoc_library=BVB01etdoc_number=009408570etline_number=0001etfunc_code=DB_RECORDSetservice_type=MEDIA}
}