@book{16834,
	author = {van der Pijl, Kees},
	title = {Nomads, Empires, States},
	url = {https://library.oapen.org/bitstream/20.500.12657/30786/1/642716.pdf||https://library.oapen.org/bitstream/20.500.12657/30786/1/642716.pdf||https://library.oapen.org/bitstream/20.500.12657/30786/1/642716.pdf}
}