@book{15103,
	author = {Fog, Agner},
	title = {Warlike and Peaceful Societies},
	url = {https://library.oapen.org/bitstream/20.500.12657/30823/1/641877.pdf||https://library.oapen.org/bitstream/20.500.12657/30823/1/641877.pdf||https://library.oapen.org/bitstream/20.500.12657/30823/1/641877.pdf}
}