Paper  bibtex   

@article{hutchins_problem_1977,
	title = {On the problem of ‘aboutness’ in document analysis},
	volume = {1},
	url = {http://hutchinsweb.me.uk/JInformatics-1977.pdf},
	number = {1},
	urldate = {2016-07-06TZ},
	journal = {Journal of informatics},
	author = {Hutchins, W. John},
	year = {1977},
	note = {00105},
	pages = {17--35}
}