@book{269374,
	author = {Hornborg, Alf. and ProQuest (Firm)},
	title = {The world system and the Earth system},
	publisher = {Left Coast Press,},
	year = {c2007.},
	address = {Walnut Creek, CA :},
	url = {https://ebookcentral.proquest.com/lib/kuct-ebooks/detail.action?docID=677739}
}