Paper  doi  bibtex   

@article{buchanan_wicked_1992,
	title = {Wicked {Problems} in {Design} {Thinking}},
	volume = {8},
	issn = {07479360},
	url = {http://www.jstor.org/stable/1511637?origin=crossref},
	doi = {10.2307/1511637},
	number = {2},
	urldate = {2016-06-02},
	journal = {Design Issues},
	author = {Buchanan, Richard},
	year = {1992},
	keywords = {dt, wicked problems},
	pages = {5}
}