@article{hartley_subjective_1977,
	title = {Subjective time estimates of work tasks by office workers},
	volume = {50},
	issn = {0305-8107},
	language = {eng},
	journal = {Journal of Occupational Psychology},
	author = {Hartley, Craig and Brecht, Mark and Pagerey, Peter and Weeks, Gerald and Chapanis, Alphonse and Hoecker, Douglas},
	month = jan,
	year = {1977},
	pages = {23}
}