@book{225227,
	author = {Skyttner, Lars. and ProQuest (Firm)},
	title = {General systems theory},
	publisher = {World Scientific,},
	year = {c2001.},
	address = {Singapore ;},
	url = {https://ebookcentral.proquest.com/lib/kuct-ebooks/detail.action?docID=183728}
}