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@incollection{eurostat_ent_w_comp,
  title =        {Share of enterprises who used computers in the United Kingdom
                  (UK) and European Union (EU-28 countries) from 2010 to 2015
                  [Graph]},
  author =       {Eurostat},
  booktitle =    {Statista},
  url =
                  {https://www-statista-com.thi.idm.oclc.org/statistics/275306/share-of-enterprises-who-used-computers-in-the-uk-and-eu-since-2010/},
  year =         2016,
  month =        {may},
  urldate =      {2020-10-12}
}

@incollection{iresearch_ent_w_comp,
  title =        {Computer usage rate in enterprises in China from 2011 to 2016
                  [Graph]},
  author =       {iResearch},
  booktitle =    {Statista},
  url =
                  {https://www-statista-com.thi.idm.oclc.org/statistics/885270/enterprise-computer-usage-rate-in-china/},
  year =         2018,
  month =        {jul},
  urldate =      {2020-10-12}
}

@incollection{itu_hh_w_comp,
  title =        {Share of households with a computer at home worldwide from
                  2005 to 2019 [Graph]},
  author =       {ITU},
  booktitle =    {Statista},
  url =
                  {https://www-statista-com.thi.idm.oclc.org/statistics/748551/worldwide-households-with-computer/},
  year =         2019,
  month =        {nov},
  urldate =      {2020-10-12}
}

@article{bretz_finger_force,
  author =       {Bretz, Károly and Jobbágy, Ákos and Bretz, Károly},
  year =         2010,
  month =        04,
  title =        {Force measurement of hand and fingers},
  journal =      {Biomechanica Hungarica},
  doi =          {10.17489/biohun/2010/1/07}
}

@online{ergopedia_keyswitch,
author = {Ergopedia},
title = {Comparing Mechanical, Membrane and Scissor-Switch Membrane Keyboards - Ergonomic Considerations of Keyswitch Type},
url = {http://www.ergopedia.ca/ergonomic_concepts/Mechanical_Keyswitches_Membrane_Keyswitches_and_Scissor_Switch_Membrane_Keyswitches_Ergonomic_Considerations.html},
urldate = {2020-10-12}
}

@article{kim_typingforces,
  title =        {Differences in typing forces, muscle activity, comfort, and
                  typing performance among virtual, notebook, and desktop
                  keyboards},
  journal =      {Applied Ergonomics},
  volume =       45,
  number =       6,
  pages =        {1406 - 1413},
  year =         2014,
  issn =         {0003-6870},
  doi =          {https://doi.org/10.1016/j.apergo.2014.04.001},
  url =
                  {http://www.sciencedirect.com/science/article/pii/S000368701400043X},
  author =       {Jeong Ho Kim and Lovenoor Aulck and Michael C. Bartha and
                  Christy A. Harper and Peter W. Johnson}
}

@online{statist_counterbalancing,
author = {Stephanie Glen},
title = {Counterbalancing in Research},
url = {https://www.statisticshowto.com/counterbalancing-2/},
urldate = {2020-10-12}
}

@incollection{handbook_chi,
  title =        {Chapter 1 - Human-Computer Interaction: Background and Issues},
  editor =       {Marting G. Helander and Thomas K. Landauer and Prasad
                  V. Prabhu},
  booktitle =    {Handbook of Human-Computer Interaction (Second Edition)},
  publisher =    {North-Holland},
  edition =      {Second Edition},
  address =      {Amsterdam},
  pages =        {3 - 31},
  year =         1997,
  isbn =         {978-0-444-81862-1},
  doi =          {https://doi.org/10.1016/B978-044481862-1.50067-4},
  url =
                  {http://www.sciencedirect.com/science/article/pii/B9780444818621500674},
  author =       {Raymond S. Nickerson and Thomas K. Landauer}
}

@article{iso9995-1,
  title =        {Information technology — Keyboard layouts for text and office
                  systems},
  author =       {International Organization for Standardization},
  journal =      {International Organization for Standardization},
  year =         2018
}

@book{amstad_fre,
  title =        {Wie verständlich sind unsere Zeitungen?},
  author =       {Amstad, Toni},
  year =         1978,
  publisher =    {Studenten-Schreib-Service}
}

@article{flesch_fre,
  title={A new readability yardstick.},
  author={Flesch, Rudolph},
  journal={Journal of Applied Psychology},
  volume={32},
  number={3},
  pages={221-233},
  year={1948},
  publisher={American Psychological Association}
}