Maria K. Wolters Karl Isaac Jason Doherty Hold that thought: are spearcons less disruptive than spoken reminders? 1745-1750 2012 CHI Extended Abstracts https://doi.org/10.1145/2212776.2223703 https://www.wikidata.org/entity/Q59589760 conf/chi/2012a db/conf/chi/chi2012a.html#WoltersID12