@book{68087,
	author = {Zacher, Mark W},
	title = {International Conflicts and Collective Security, 1946-77 :},
	publisher = {Praeger Publishers,},
	year = {1979.},
	address = {New York :},
	url = {https://fll.law.cu.edu.eg/fulltext/bks/B11-08990.pdf}
}