The Two-Communities Metaphor and Models of Knowledge Use. Dunn, W. N. Knowledge: Creation, Diffusion, Utilization, 1(4):515--536, 1980.
bibtex   
@article{dunn_two-communities_1980,
	title = {The {Two}-{Communities} {Metaphor} and {Models} of {Knowledge} {Use}},
	volume = {1},
	number = {4},
	journal = {Knowledge: Creation, Diffusion, Utilization},
	author = {Dunn, W. N.},
	year = {1980},
	pages = {515--536}
}

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